DiatomBase taxon details

Triceratium C.G. Ehrenberg, 1839

149154  (urn:lsid:marinespecies.org:taxname:149154)

  1. Biota
  2. Chromista (Kingdom)
  3. Heterokontophyta (Phylum)
  4. Bacillariophytina (Subphylum)
  5. Bacillariophyceae (Class)
  6. Coscinodiscophycidae (Subclass)
  7. Biddulphianae (Superorder)
  8. Triceratiales (Order)
  9. Triceratiaceae (Family)
  10. Triceratium (Genus)
accepted
Genus

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  1. Species Triceratium acutangulum Grunow
  2. Species Triceratium antillarum Cleve
  3. Species Triceratium archangelskianum O.N.Witt
  4. Species Triceratium areolatum Greville
  5. Species Triceratium attenuatum R.K.Greville, 1864 †
  6. Species Triceratium balearicum Cleve, 1881
  7. Species Triceratium cancellatum Greville
  8. Species Triceratium castellatum T.West
  9. Species Triceratium cellulosum
  10. Species Triceratium cinnamomeum Greville
  11. Species Triceratium circulare A.M.Edwards
  12. Species Triceratium columbi O.N.Witt
  13. Species Triceratium conciliatum Pantocsek
  14. Species Triceratium condecorum Ehrenberg
  15. Species Triceratium contortum Shadbolt, 1854
  16. Species Triceratium coscinoides E.Grove & G.Sturt
  17. Species Triceratium crenulatum E.Grove & G.Sturt
  18. Species Triceratium cucullatum Pantocsek
  19. Species Triceratium curvilimbum J.-J.Brun
  20. Species Triceratium distinctum C.Janisch
  21. Species Triceratium dobreeanum G.Norman ex Greville, 1865
  22. Species Triceratium dulce Greville
  23. Species Triceratium elegans (Greville) Grunow
  24. Species Triceratium eulensteinii Grunow
  25. Species Triceratium exornatum Greville
  26. Species Triceratium favus Ehrenberg, 1839
  27. Species Triceratium flos Ehrenberg
  28. Species Triceratium gemmatum A.P.Jousé, 1951 †
  29. Species Triceratium gibbosum Harvey & Bailey, 1854
  30. Species Triceratium giganteum Greville
  31. Species Triceratium godeffroyi Grunow
  32. Species Triceratium grande T.Brightwell
  33. Species Triceratium grovei
  34. Species Triceratium guttatum Cleve
  35. Species Triceratium hardmanianum Greville
  36. Species Triceratium hardmannianum †
  37. Species Triceratium harrisonianum G.Norman & Greville
  38. Species Triceratium harwoodii J.Witkowski, 2022 †
  39. Species Triceratium heibergii Grunow
  40. Species Triceratium horridum Pantocsek
  41. Species Triceratium hybridum
  42. Species Triceratium incisum A.W.F.Schmidt
  43. Species Triceratium inelegans Greville
  44. Species Triceratium inornatum Greville
  45. Species Triceratium insigne
  46. Species Triceratium insuave A.Truan y Luard & O.N.Witt
  47. Species Triceratium interjectum A.W.F.Schmidt
  48. Species Triceratium kainii E.A.Schultze in Kain & Schultze, 1889 †
  49. Species Triceratium kolbei F.Hustedt
  50. Species Triceratium laeve
  51. Species Triceratium latum Greville
  52. Species Triceratium lineatum Greville
  53. Species Triceratium mammiferum Grunow
  54. Species Triceratium megastomum Ehrenberg
  55. Species Triceratium microstigma Ehrenberg
  56. Species Triceratium montereyii T.Brightwell, 1853 †
  57. Species Triceratium moronense Greville
  58. Species Triceratium multifrons J.-J.Brun
  59. Species Triceratium multiplex C.Janisch
  60. Species Triceratium muricatum Brightwell, 1853
  61. Species Triceratium nancoorense Grunow
  62. Species Triceratium normanianum Greville
  63. Species Triceratium oculatum Greville
  64. Species Triceratium ornatum Greville
  65. Species Triceratium pantocsekii
  66. Species Triceratium papillatum E.Grove & G.Sturt
  67. Species Triceratium parallelum (Ehrenb.) Grev., 1865
  68. Species Triceratium pentacrinus (Ehrenberg) Wallich, 1858
  69. Species Triceratium peragalli
  70. Species Triceratium pileus Ehrenberg
  71. Species Triceratium plicatum Grunow
  72. Species Triceratium praetenue R.K.Greville, 1864 †
  73. Species Triceratium punctatum Brightwell, 1856
  74. Species Triceratium radians J.A.Tempère & J.-J.Brun
  75. Species Triceratium radio-punctatum
  76. Species Triceratium repletum Greville
  77. Species Triceratium reticulum Ehrenberg, 1844
  78. Species Triceratium rugosum E.Grove & G.Sturt, 1887 †
  79. Species Triceratium scitulum T.Brightwell
  80. Species Triceratium sendaiense A.W.F.Schmidt
  81. Species Triceratium sentum Witt
  82. Species Triceratium shadboldtianum
  83. Species Triceratium solenoceros Ehrenberg
  84. Species Triceratium suborbiculare Pantocsek
  85. Species Triceratium suborbicularis
  86. Species Triceratium thumii A.W.F.Schmidt
  87. Species Triceratium trinitas J.-J.Brun
  88. Species Triceratium tripecten J.-J.Brun
  89. Species Triceratium tripos Cleve
  90. Species Triceratium trisulcum Bailey
  91. Species Triceratium tumidum Greville
  92. Species Triceratium validum Grunow
  93. Species Triceratium variabile Brightw., 1856
  94. Species Triceratium venulosum Greville
  95. Species Triceratium versicolor
  96. Species Triceratium wittii A.W.F.Schmidt
  97. Species Triceratium zonatulatum Greville
  98. Species Triceratium zonulatum Greville
  99. Species Triceratium abyssorum Grunow † accepted as Medlinia abyssorum (Grunow) P.A.Sims, 1998 † accepted as Triceratium abyssorum var. abyssorum Grunow in Van Heurck, 1883 (synonym)
  100. Species Triceratium alternans Bailey, 1851 accepted as Trigonium alternans (Bailey) A.Mann, 1907 accepted as Triceratium alternans f. alternans J.W. Bailey, 1851 (synonym)
  101. Species Triceratium amblyoceros Ehrenberg accepted as Symbolophora amblyoceros (Ehrenberg) Hasle & Sims, 1986 accepted as Triceratium amblyoceros var. amblyoceros Ehrenberg, 1844 (synonym)
  102. Species Triceratium antediluvianum (Ehrenberg) Grunow, 1868 accepted as Biddulphia antediluviana (Ehrenberg) Van Heurck, 1885 (synonym)
  103. Species Triceratium antipodum J.Pantocsek, 1892 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  104. Species Triceratium arcticum Brightwell, 1853 accepted as Trigonium arcticum (Brightwell) Cleve, 1868 (synonym)
  105. Species Triceratium armasevskii Pantocsek, 1905 † accepted as Entogoniopsis armashevskii (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  106. Species Triceratium armatum Roper, 1854 accepted as Triceratium spinosum J.W.Bailey, 1844 accepted as Biddulphia spinosa (J.W.Bailey) Boyer, 1927 accepted as Triceratium spinosum f. spinosum J.W. Bailey, 1844 (synonym)
  107. Species Triceratium balaniferum J.Tempère & J.Brun in J.Brun & J.Tempère, 1889 † accepted as Entogoniopsis balanifera (J.Tempère & J.Brun) J. Witkowski, P.A. Sims, N.I. Strelnikova & D.M. Williams, 2015 †
  108. Species Triceratium brachiatum T.Brightwell, 1856 † accepted as Fenneria brachiata (T.Brightwell) J.Witkowski, 2018 †
  109. Species Triceratium brightwellii T.West, 1860 accepted as Ditylum brightwellii (T.West) Grunow, 1885
  110. Species Triceratium castelliferum A.Grunow, 1888 † accepted as Sheshukovia castellifera (A.Grunow) J.Witkowski, 2022 †
  111. Species Triceratium cornutum R.K.Greville † accepted as Trinacria cornuta (R.K.Greville) P.A.Sims & R.Ross, 1988 †
  112. Species Triceratium curvicostatum J.Brun, 1896 † accepted as Entogoniopsis curvicostata (J.Brun) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  113. Species Triceratium denticulatum Greville, 1863 † accepted as Trilamina denticulata (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  114. Species Triceratium dutertrei Pantocsek & Tempère in Brun et al., 1890 † accepted as Entogoniopsis dutertrei (Pantocsek & Tempère) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  115. Species Triceratium dutertrei Pantocsek & Tempère in Pantocsek, 1889 † accepted as Entogoniopsis dutertrei (Pantocsek & Tempère) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  116. Species Triceratium figuratum R.K.Greville, 1865 † accepted as Trilamina figurata (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  117. Species Triceratium formosum T.Brightwell, 1856 accepted as Trigonium formosum (Brightwell) Cleve, 1867 accepted as Triceratium formosum f. formosum Brightwell, 1856 (synonym)
  118. Species Triceratium forresterii F.S.C.Reed, 1946 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  119. Species Triceratium foveatum R.K.Greville, 1864 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  120. Species Triceratium globulifer J.Brun, 1891 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  121. Species Triceratium grave A. Schmidt, 1882 † accepted as Entogoniopsis tabellaria (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015
  122. Species Triceratium hannaianum Hustedt in Schmidt et al., 1930 † accepted as Entogoniopsis hannaiana (F.Hustedt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  123. Species Triceratium inconspicuum Greville, 1861 † accepted as Fenneria brachiata (T.Brightwell) J.Witkowski, 2018 †
  124. Species Triceratium inflatum R.K.Greville, 1863 † accepted as Entogoniopsis inflata (Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  125. Species Triceratium irregulare Greville, 1864 accepted as Eurossia irregularis (R.K.Greville) P.A.Sims, 1993 †
  126. Species Triceratium junctum A.W.F.Schmidt, 1886 accepted as Biddulphia juncta (A.Schmidt) A.Mann, 1925 (synonym)
  127. Species Triceratium kanayae J.Fenner, 1984 † accepted as Fenneria kanayae (J.Fenner) J.Witkowski, 2018 †
  128. Species Triceratium lahusenii J.Pantocsek, 1889 † accepted as Entogoniopsis lahusenii (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  129. Species Triceratium lineolatum R.K.Greville, 1863 † accepted as Entogoniopsis lineolata (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  130. Species Triceratium lobatogemmatum J.-J.Brun, 1896 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  131. Species Triceratium lobatum R.K.Greville, 1863 † accepted as Trilamina lobata (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  132. Species Triceratium majus (E.Grove & G.Sturt) A.Grunow, 1888 † accepted as Entogoniopsis major J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  133. Species Triceratium malleus Brightwell, 1858 accepted as Bellerochea malleus (Brightwell) Van Heurck, 1885 (synonym)
  134. Species Triceratium morlandii E.Grove & G.Sturt, 1887 † accepted as Entogoniopsis morlandii (Grove & Sturt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  135. Species Triceratium nitescens R.K.Greville, 1865 † accepted as Trilamina nitescens (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  136. Species Triceratium oamaruense E.Grove & G.Sturt † accepted as Entogoniopsis oamaruense (E.Grove & G.Sturt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  137. Species Triceratium obesum R.K.Greville, 1864 † accepted as Trilamina obesa (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  138. Species Triceratium obscurum Greville accepted as Azpeitia obscura (Greville) P.A. Sims in Williams, 1988 accepted as Triceratium obscurum f. obscurum Greville, 1861 (synonym)
  139. Species Triceratium pallidum R.K.Greville, 1864 † accepted as Entogoniopsis tabellaria (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015
  140. Species Triceratium picturatum R.K.Greville, 1866 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  141. Species Triceratium pileolus C.G.Ehrenberg, 1844 † accepted as Trinacria pileolus (C.G.Ehrenberg) A.Grunow, 1884 †
  142. Species Triceratium polycistinorum J.Pantocsek ex J.Tempère, 1892 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  143. Species Triceratium productum R.K.Greville, 1861 † accepted as Entogoniopsis truncata (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  144. Species Triceratium pseudonervatum E.Grove & G.Sturt, 1887 accepted as Entogoniopsis pseudonervata (E.Grove & G.Sturt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  145. Species Triceratium quadratum R.K.Greville, 1865 † accepted as Entogoniopsis lineolata (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  146. Species Triceratium radiatum T.Brightwell † accepted as Crawfordia radiata (Brightwell) P.A.Sims, J.Witkowski, E.A.César †
  147. Species Triceratium reedii T.V.Desikachary & P.M.Sreelatha, 1989 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  148. Species Triceratium riedyi (G D.Hanna & W.M.Grant) T.Reinhold, 1937 accepted as Entogoniopsis tabellaria (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015
  149. Species Triceratium saratovianum Pantocsek, 1889 † accepted as Entogoniopsis saratoviana (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  150. Species Triceratium sculptum Shadbolt, 1854 accepted as Biddulphia sculpta (Shadbolt) Van Heurck, 1885 accepted as Triceratium sculptum var. sculptum Shadbolt, 1854
  151. Species Triceratium semicirculare Brightwell accepted as Euodiella semicircularis (Brightwell) P.A.Sims, 2000 † accepted as Triceratium semicirculare var. semicirculare Brightwell, 1853 (synonym)
  152. Species Triceratium shadboltianum R.K. Greville, 1862 accepted as Lampriscus shadboldtianum (Greville) H.Peragallo & M.Peragallo, 1902 (synonym)
  153. Species Triceratium sol Grunow, 1883 accepted as Ditylum sol (Grunow) De Toni, 1894 (synonym)
  154. Species Triceratium spinosum J.W.Bailey, 1844 accepted as Biddulphia spinosa (J.W.Bailey) Boyer, 1927 accepted as Triceratium spinosum f. spinosum J.W. Bailey, 1844 (basionym)
  155. Species Triceratium squamatum J.Pantocsek, 1889 † accepted as Entogoniopsis squamata (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  156. Species Triceratium stokesianum R.K.Greville, 1866 † accepted as Entogoniopsis stokesiana (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  157. Species Triceratium subvenosum F. Hustedt in Wetzel, 1935 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  158. Species Triceratium tabellarium T.Brightwell, 1856 accepted as Entogoniopsis tabellaria (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015
  159. Species Triceratium tambovicum A.P.Jousé in T.F.Kozyrenko, A.P.Jousé & O.G.Kozlova, 1977 † accepted as Jouserella tambovica (A.P.Jousé in T.F.Kozyrenko et al.) T.F.Kozyrenko in T.F.Kozyrenko & N.I.Strelnikova, 2012 †
  160. Species Triceratium thaitiense Castracane, 1886 accepted as Triceratium tahitiense Castracane, 1886 (misspelling)
  161. Species Triceratium tridactylum Brightwell, 1853 accepted as Triceratium spinosum J.W.Bailey, 1844 accepted as Biddulphia spinosa (J.W.Bailey) Boyer, 1927 accepted as Triceratium spinosum f. spinosum J.W. Bailey, 1844 (synonym)
  162. Species Triceratium tripartitum Grunow accepted as Biddulphia tripartita (Grunow) Van Heurck
  163. Species Triceratium tripes J.Brun, 1896 † accepted as Trilamina tripes (J.Brun) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  164. Species Triceratium truncatum T.Brightwell, 1856 † accepted as Entogoniopsis truncata (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  165. Species Triceratium tschestnovii (J.Pantocsek) J.Pantocsek ex J.Tempère, 1891 † accepted as Entogoniopsis squamata (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  166. Species Triceratium uviferum A.W.F.Schmidt, 1885 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  167. Species Triceratium varians F.Hustedt in A.Schmidt et al., 1930 † accepted as Entogoniopsis varians (F.Hustedt in A.Schmidt et al.) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  168. Species Triceratium venosum T.Brightwell, 1856 † accepted as Entogoniopsis venosa (Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  169. Species Triceratium weissii Grunow in A.Schmidt, 1886 † accepted as Medlinia weissei (Grunow in A.Schmidt) P.A.Sims, 1998 †
  170. Species Triceratium westianum Greville, 1861 † accepted as Trilamina westiana (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  171. Species Triceratium wittianum A.Truan in A.Truan & O.N.Witt, 1888 accepted as Trilamina wittiana (A.Truan in A.Truan & O.N.Witt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  172. Species Triceratium antiquum Pantocsek, 1886 represented as Azpeitia antiqua (Pantocsek) P.A. Sims in Fryxell, Sims & Watkins, 1986
  173. Species Triceratium abercrombieana Greville, 1861 (uncertain > unassessed)
  174. Species Triceratium abyssale Castracane, 1886 (uncertain > unassessed)
  175. Species Triceratium acceptum Greville, 1865 (uncertain > unassessed)
  176. Species Triceratium aculeatum Ehrenberg, 1856 (uncertain > unassessed)
  177. Species Triceratium aculeatum Greville, 1861 (uncertain > unassessed)
  178. Species Triceratium aculeatum Schibkova in Krotov & Schibkova, 1959 (uncertain > unassessed)
  179. Species Triceratium acutangulum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  180. Species Triceratium acutangulum Strelnikova, 1974 (uncertain > unassessed)
  181. Species Triceratium acutum Ehrenberg, 1844 (1845) (uncertain > unassessed)
  182. Species Triceratium admirabile Debes ex Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
  183. Species Triceratium adspersum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  184. Species Triceratium adspersum (Mann) F.W. Mills, 1935 accepted as Trigonium adspersum Mann, 1907 (uncertain > unassessed)
  185. Species Triceratium affine Grunow in Van Heurck, 1883 (uncertain > unassessed)
  186. Species Triceratium africanum Ehrenberg, 1854 (uncertain > unassessed)
  187. Species Triceratium agnellus Krotov in Krotov & Schibkova, 1959 (uncertain > unassessed)
  188. Species Triceratium alatum Arkhangelskii, 1953 (uncertain > unassessed)
  189. Species Triceratium albifrons Brun in Schmidt et al., 1891 (uncertain > unassessed)
  190. Species Triceratium album Long, Fuge & Smith, 1946 (uncertain > unassessed)
  191. Species Triceratium alternans sensu Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  192. Species Triceratium alternans (Ehrenberg) Schütt, 1896 accepted as Amphipentas alternans Ehrenberg, 1843 † (uncertain > unassessed)
  193. Species Triceratium alveolatum Bergon in Bergon et al., 1890 (uncertain > unassessed)
  194. Species Triceratium amblyoceros sensu Brightwell, 1853 (uncertain > unassessed)
  195. Species Triceratium americanum (J.W. Bailey) Cleve-Euler, 1951 accepted as Tetragramma americana Bailey, 1854 (uncertain > unassessed)
  196. Species Triceratium americanum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  197. Species Triceratium americanum sensu Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  198. Species Triceratium amoenum Greville, 1861 (uncertain > unassessed)
  199. Species Triceratium amplexum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  200. Species Triceratium ananinense Pantocsek, 1889 (uncertain > unassessed)
  201. Species Triceratium anastomosans Grove in Schmidt et al., 1890 (uncertain > unassessed)
  202. Species Triceratium anderssonii Cleve, 1881 (uncertain > unassessed)
  203. Species Triceratium andetiluvianum (uncertain > unassessed)
  204. Species Triceratium anissimovae (Jousé) Strelnikova, 1974 accepted as Trinacria anissimovii Jousé, 1949 (uncertain > unassessed)
  205. Species Triceratium annulatum Wallich, 1858 (uncertain > unassessed)
  206. Species Triceratium anostomosans Grove in A. Schmidt, 1890 (uncertain > unassessed)
  207. Species Triceratium antarcticum Janisch in Schmidt et al., 1882 (uncertain > unassessed)
  208. Species Triceratium antarcticum Cleve (uncertain > unassessed)
  209. Species Triceratium antediluviana (uncertain > unassessed)
  210. Species Triceratium antiquum sensu Lefebure, 1935 (uncertain > unassessed)
  211. Species Triceratium appertii Kanaya, 1963 (uncertain > unassessed)
  212. Species Triceratium approximatum Greville, 1861 (uncertain > unassessed)
  213. Species Triceratium apsteinii Pantocsek, 1908 (uncertain > unassessed)
  214. Species Triceratium araneosum Greville, 1865 (uncertain > unassessed)
  215. Species Triceratium arcticum Pedicino ex Rabenhorst, 1861-1879 (uncertain > unassessed)
  216. Species Triceratium arcuatum Shadbolt, 1854 (uncertain > unassessed)
  217. Species Triceratium areolatum Harting, 1852 (uncertain > unassessed)
  218. Species Triceratium argus Janisch in Schmidt et al., 1885 (uncertain > unassessed)
  219. Species Triceratium arietinum Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  220. Species Triceratium arisatum (Shadbolt) (uncertain > unassessed)
  221. Species Triceratium arrogans Truan y Luard & Witt, 1888 (uncertain > unassessed)
  222. Species Triceratium ascensionis Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  223. Species Triceratium atlanticum Castracane, 1886 (uncertain > unassessed)
  224. Species Triceratium atomus Greville, 1865 (uncertain > unassessed)
  225. Species Triceratium attennatum (uncertain > unassessed)
  226. Species Triceratium auliscoides Grove & Sturt, 1887 (uncertain > unassessed)
  227. Species Triceratium barbadense Greville, 1861 (uncertain > unassessed)
  228. Species Triceratium barbadense sensu Grove & Sturt, 1887 (uncertain > unassessed)
  229. Species Triceratium barboi (Brun) Desikachary & Devi, 1986 accepted as Capsula barboi Brun, 1896 (uncertain > unassessed)
  230. Species Triceratium barkerii Desikachary & Sreelatha, 1989 (uncertain > unassessed)
  231. Species Triceratium basilica Brun in Schmidt et al., 1892 (uncertain > unassessed)
  232. Species Triceratium bellum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  233. Species Triceratium bergonii Tempère & Brun, 1889 † (uncertain > unassessed)
  234. Species Triceratium besseyi Pantocsek, 1908 (uncertain > unassessed)
  235. Species Triceratium bicorne Cleve, 1878 † accepted as Pseudictyota bicorne (Cleve) P.A. Sims & D. M. Williams in Sims et al., 2018 † (uncertain > unassessed)
  236. Species Triceratium bicornigerum Hanna, 1927 (uncertain > unassessed)
  237. Species Triceratium biddulphia Heiberg, 1863 (uncertain > unassessed)
  238. Species Triceratium biforme Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  239. Species Triceratium biharense Pantocsek, 1892 (uncertain > unassessed)
  240. Species Triceratium bimarginatum Grove & Sturt, 1887 (uncertain > unassessed)
  241. Species Triceratium biquadratum Janisch, 1886 (uncertain > unassessed)
  242. Species Triceratium bireticulatum Barker & Meakin, 1945 (uncertain > unassessed)
  243. Species Triceratium blanditum Greville, 1861 (uncertain > unassessed)
  244. Species Triceratium blandum O. Witt in A. Schmidt, 1886 (uncertain > unassessed)
  245. Species Triceratium boryanum Pantocsek, 1889 (uncertain > unassessed)
  246. Species Triceratium bowerbankiana Ralfs in Pritchard, 1861 (uncertain > unassessed)
  247. Species Triceratium brachiolatum Brightwell, 1853 (uncertain > unassessed)
  248. Species Triceratium brandtii Pantocsek, 1892 (uncertain > unassessed)
  249. Species Triceratium brevinervum Greville, 1865 (uncertain > unassessed)
  250. Species Triceratium broeckii Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  251. Species Triceratium brookei Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  252. Species Triceratium browneanum Greville, 1861 (uncertain > unassessed)
  253. Species Triceratium brunii Pantocsek, 1886 (uncertain > unassessed)
  254. Species Triceratium bullatum Grove in Bergon et al., 1890 (uncertain > unassessed)
  255. Species Triceratium bullosum Witt, 1873 (uncertain > unassessed)
  256. Species Triceratium caducum Pantocsek, 1892 (uncertain > unassessed)
  257. Species Triceratium caelatum Janisch, 1885 (uncertain > unassessed)
  258. Species Triceratium caelatum sensu Grove & Sturt, 1886 (uncertain > unassessed)
  259. Species Triceratium californicum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  260. Species Triceratium calvescens Castracane, 1886 (uncertain > unassessed)
  261. Species Triceratium cambroneroi Azpeitia, 1911 (uncertain > unassessed)
  262. Species Triceratium campechianum Grunow in Cleve, 1878 (uncertain > unassessed)
  263. Species Triceratium canalifer Brun, 1891 (uncertain > unassessed)
  264. Species Triceratium cancellatum sensu Grove & Sturt, 1886 (uncertain > unassessed)
  265. Species Triceratium cancellatum sensu Moller, 1892 (uncertain > unassessed)
  266. Species Triceratium capitatum J.Ralfs ex Greville (uncertain > unassessed)
  267. Species Triceratium capitiferum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  268. Species Triceratium carbonarium Ehrenberg in Roth, 1854 (uncertain > unassessed)
  269. Species Triceratium caribaeum Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  270. Species Triceratium carinatum Ehrenberg, 1855 (uncertain > unassessed)
  271. Species Triceratium cariosum Castracane, 1886 (uncertain > unassessed)
  272. Species Triceratium castracanei Pantocsek, 1886 (uncertain > unassessed)
  273. Species Triceratium caudatum Witt, 1885 (uncertain > unassessed)
  274. Species Triceratium celebense Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  275. Species Triceratium centralis (Boyer) VanLandingham, 1968 accepted as Biddulphia centralis Boyer, 1922 (uncertain > unassessed)
  276. Species Triceratium chenevieri Meister, 1937 (uncertain > unassessed)
  277. Species Triceratium circumvallatum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  278. Species Triceratium clavatum Grove in Schmidt et al., 1896 (uncertain > unassessed)
  279. Species Triceratium clypeolus (Boyer) VanLandingham, 1968 accepted as Biddulphia clypeolus Boyer, 1922 (uncertain > unassessed)
  280. Species Triceratium coelatum Janisch ex Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  281. Species Triceratium coerulescens Pantocsek, 1892 (uncertain > unassessed)
  282. Species Triceratium compactum Brightwell ex Ralfs in Pritchard, 1861 (uncertain > unassessed)
  283. Species Triceratium compar Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  284. Species Triceratium comtum Ehrenberg, 1843 (uncertain > unassessed)
  285. Species Triceratium concavum Harvey & J.W. Bailey, 1853 (1854) (uncertain > unassessed)
  286. Species Triceratium concinnum Greville, 1864 (uncertain > unassessed)
  287. Species Triceratium condecorum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  288. Species Triceratium coniferum Brightwell, 1856 (uncertain > unassessed)
  289. Species Triceratium coniferum sensu Tempère & Peragallo, 1889-1895 (uncertain > unassessed)
  290. Species Triceratium consimile Grunow in Van Heurck, 1883 (uncertain > unassessed)
  291. Species Triceratium constans Greville, 1863 (uncertain > unassessed)
  292. Species Triceratium constellatum Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  293. Species Triceratium contumax (Mann) (uncertain > unassessed)
  294. Species Triceratium conturianum Tempere & Brun in Tempere & Peragallo, 1915 (uncertain > unassessed)
  295. Species Triceratium convexiusculum Grunow in Schmidt et al., 1890 (uncertain > unassessed)
  296. Species Triceratium convexum Greville, 1862 (uncertain > unassessed)
  297. Species Triceratium cordiferum Grove & Sturt, 1887 (uncertain > unassessed)
  298. Species Triceratium coronatum (Witt) Strelnikova, 1974 accepted as Trinacria coronata Witt, 1885 † (uncertain > unassessed)
  299. Species Triceratium coronatum Castracane, 1886 (uncertain > unassessed)
  300. Species Triceratium coronatum Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  301. Species Triceratium couturianum Tempère & Brun in Tempère, 1890 (uncertain > unassessed)
  302. Species Triceratium crassum Shadbolt, 1854 (uncertain > unassessed)
  303. Species Triceratium crebrestriatum Grove in Bergon et al., 1890 (uncertain > unassessed)
  304. Species Triceratium crenatum Kitton ex Ralfs in Pritchard, 1861 (uncertain > unassessed)
  305. Species Triceratium crispulum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  306. Species Triceratium cristatum Pantocsek, 1892 (uncertain > unassessed)
  307. Species Triceratium crouanii M. Peragallo in Tempère & Peragallo, 1910 (uncertain > unassessed)
  308. Species Triceratium cruciatum (Janisch & Rabenhorst) Cleve, 1878 accepted as Amphitetras cruciata Janisch & Rabenhorst, 1863 (uncertain > unassessed)
  309. Species Triceratium cruciferum (Kitton) Grunow in Van Heurck, 1883 accepted as Amphitetras crucifera Kitton in Ralfs in Pritchard, 1861 (uncertain > unassessed)
  310. Species Triceratium cruciforme Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  311. Species Triceratium cruvinervia (Boyer) VanLandingham, 1968 accepted as Biddulphia curvinervia C.S.Boyer, 1922 † accepted as Entogoniopsis curvinervia (C.S.Boyer) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 † (uncertain > unassessed)
  312. Species Triceratium crux T.Brightwell (uncertain > unassessed)
  313. Species Triceratium cultum Schmidt in Schmidt et al., 1891 (uncertain > unassessed)
  314. Species Triceratium cuneatum Schmidt, 1888 (uncertain > unassessed)
  315. Species Triceratium curvatovittatum Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  316. Species Triceratium curvibaccatum Brun, 1894 (uncertain > unassessed)
  317. Species Triceratium cuspidatum Janisch in Schmidt et al., 1885 (uncertain > unassessed)
  318. Species Triceratium cyclamen Brun in Schmidt et al., 1891 (uncertain > unassessed)
  319. Species Triceratium davidsonianum Truan y Luard & Witt, 1888 (uncertain > unassessed)
  320. Species Triceratium davyanum Greville, 1862 (uncertain > unassessed)
  321. Species Triceratium debesii Pantocsek, 1889 (uncertain > unassessed)
  322. Species Triceratium debyi Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  323. Species Triceratium decorum Greville, 1862 (uncertain > unassessed)
  324. Species Triceratium deductum Pantocsek, 1892 (uncertain > unassessed)
  325. Species Triceratium definitum Greville, 1864 (uncertain > unassessed)
  326. Species Triceratium deformatum Pantocsek, 1889 (uncertain > unassessed)
  327. Species Triceratium delectabile Pantocsek, 1892 (uncertain > unassessed)
  328. Species Triceratium delicatulum Greville, 1861 (uncertain > unassessed)
  329. Species Triceratium demissum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  330. Species Triceratium detonii Pantocsek, 1892 (uncertain > unassessed)
  331. Species Triceratium diaphanum (Mann) F.W. Mills, 1935 accepted as Trigonium diaphanum A.Mann, 1925 (uncertain > unassessed)
  332. Species Triceratium dictyotum P.A. Sims & R. Ross, 1990 (uncertain > unassessed)
  333. Species Triceratium digitale Brun, 1896 (uncertain > unassessed)
  334. Species Triceratium dignum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  335. Species Triceratium disciforme Greville, 1863 (uncertain > unassessed)
  336. Species Triceratium discursum (Mann) VanLandingham, 1968 accepted as Biddulphia discursa Mann, 1925 (uncertain > unassessed)
  337. Species Triceratium dissimile Grunow in Schmidt et al., 1885 (uncertain > unassessed)
  338. Species Triceratium distictum J.W.Barker & S.H.Meakin, 1949 (uncertain > unassessed)
  339. Species Triceratium distinguendum Pantocsek, 1892 (uncertain > unassessed)
  340. Species Triceratium diversum Hanna & Brigger, 1964 (uncertain > unassessed)
  341. Species Triceratium divisum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  342. Species Triceratium dubium Brightwell, 1859 accepted as Pseudictyota dubium (Brightwell) P.A. Sims & D. M. Williams in Sims et al., 2018 (uncertain > unassessed)
  343. Species Triceratium duplicatum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  344. Species Triceratium eccentricum Grove & Sturt, 1887 (uncertain > unassessed)
  345. Species Triceratium edgari Hajós, 1974 (uncertain > unassessed)
  346. Species Triceratium ehrenbergii Grunow in Van Heurck, 1883 (uncertain > unassessed)
  347. Species Triceratium elaboratum Truan y Luard & Witt, 1888 (uncertain > unassessed)
  348. Species Triceratium elatum Pantocsek, 1892 (uncertain > unassessed)
  349. Species Triceratium elegans A.M. Edwards in Stodder, 1861 (uncertain > unassessed)
  350. Species Triceratium elevatum Pantocsek, 1889 (uncertain > unassessed)
  351. Species Triceratium elongatum Grunow, 1867 (uncertain > unassessed)
  352. Species Triceratium endlicherii Pantocsek, 1892 (uncertain > unassessed)
  353. Species Triceratium epitheliale Witt in Schmidt et al., 1886 (uncertain > unassessed)
  354. Species Triceratium exactum (Mann) F.W. Mills, 1935 accepted as Biddulphia exacta Mann, 1925 (uncertain > unassessed)
  355. Species Triceratium exactum (Mann) VanLandingham, 1968 accepted as Biddulphia exacta Mann, 1925 (uncertain > unassessed)
  356. Species Triceratium excavatum (Heiberg) Strelnikova, 1974 accepted as Trinacria excavata f. excavata Heiberg, 1863 (uncertain > unassessed)
  357. Species Triceratium excentricum Grove & Sturt, 1887 (uncertain > unassessed)
  358. Species Triceratium exiguum W.Smith, 1856 (uncertain > unassessed)
  359. Species Triceratium expressium Janisch in Schmidt et al., 1886 (uncertain > unassessed)
  360. Species Triceratium extuberans O'Meara, 1869 (uncertain > unassessed)
  361. Species Triceratium fabelliferum Barker & Meakin, 1945 (uncertain > unassessed)
  362. Species Triceratium falcatum (Boyer) VanLandingham, 1968 accepted as Biddulphia falcata Boyer, 1922 (uncertain > unassessed)
  363. Species Triceratium fallaciosum Grunow, 1889 (uncertain > unassessed)
  364. Species Triceratium fasciatum Pantocsek, 1889 (uncertain > unassessed)
  365. Species Triceratium febigeri W.C.Walker (uncertain > unassessed)
  366. Species Triceratium fenestratum Witt, 1885 (uncertain > unassessed)
  367. Species Triceratium ferox Castracane, 1886 (uncertain > unassessed)
  368. Species Triceratium ferox Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  369. Species Triceratium fimbriatum Wallich, 1858 (uncertain > unassessed)
  370. Species Triceratium finnmarchicum Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
  371. Species Triceratium firmum Greville, 1864 (uncertain > unassessed)
  372. Species Triceratium firthii Hanna & Brigger, 1964 (uncertain > unassessed)
  373. Species Triceratium fischeri Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  374. Species Triceratium flabelliferum Barker & Meakin, 1945 (uncertain > unassessed)
  375. Species Triceratium flexuosa (uncertain > unassessed)
  376. Species Triceratium flexuosum Greville, 1862 (uncertain > unassessed)
  377. Species Triceratium formosum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  378. Species Triceratium forresterii Tempère in Bergon et al., 1890 (uncertain > unassessed)
  379. Species Triceratium foseinoides Christian?, 1888 (uncertain > unassessed)
  380. Species Triceratium fractosum (Mann) VanLandingham, 1968 accepted as Biddulphia fractosa Mann, 1925 (uncertain > unassessed)
  381. Species Triceratium fractum Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  382. Species Triceratium fragile Pantocsek, 1892 (uncertain > unassessed)
  383. Species Triceratium frauenfeldii Grunow in Van Heurck, 1883 (uncertain > unassessed)
  384. Species Triceratium frickei (Van Heurck) VanLandingham, 1968 accepted as Biddulphia frickei Van Heurck, 1909 (uncertain > unassessed)
  385. Species Triceratium fulvum (Boyer) VanLandingham, 1968 accepted as Biddulphia fulva Boyer, 1922 (uncertain > unassessed)
  386. Species Triceratium gallapagense Cleve, 1881 (uncertain > unassessed)
  387. Species Triceratium geminum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  388. Species Triceratium giennense Azpeitia, 1911 (uncertain > unassessed)
  389. Species Triceratium glandarium Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  390. Species Triceratium glandiferum Grunow, 1888 (uncertain > unassessed)
  391. Species Triceratium godeffroyi sensu Truan & Witt, 1888 (uncertain > unassessed)
  392. Species Triceratium gombosii Fenner, 1991 (uncertain > unassessed)
  393. Species Triceratium gracile Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
  394. Species Triceratium gracillimum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  395. Species Triceratium graeffianum (Witt) M. Peragallo, 1897 accepted as Amphitetras graeffeiana Witt, 1873 (uncertain > unassessed)
  396. Species Triceratium grande sensu Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  397. Species Triceratium grande sensu Truan & Witt, 1888 (uncertain > unassessed)
  398. Species Triceratium granulatum Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  399. Species Triceratium gratiosum Greville, 1861 (uncertain > unassessed)
  400. Species Triceratium gratum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  401. Species Triceratium grayii Grove & Sturt ex Grunow, 1889 (uncertain > unassessed)
  402. Species Triceratium groningensis Reinhold, 1937 (uncertain > unassessed)
  403. Species Triceratium grundleri Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  404. Species Triceratium grundleri Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  405. Species Triceratium grunowianum Castracane, 1886 (uncertain > unassessed)
  406. Species Triceratium grunowii Janisch, 1885 (uncertain > unassessed)
  407. Species Triceratium guinense Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  408. Species Triceratium gurowii Pantocsek, 1892 (uncertain > unassessed)
  409. Species Triceratium haitianum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  410. Species Triceratium hebetatum (Grunow) Thum accepted as Triceratium irregulare var. hebetata Grunow in Van Heurck, 1883 (uncertain > unassessed)
  411. Species Triceratium heibergianum Grunow, 1866 (uncertain > unassessed)
  412. Species Triceratium heilprinianum Kain & Schultze, 1889 (uncertain > unassessed)
  413. Species Triceratium heliaudi Tempere ex Peragallo & Peragallo, 1902 (uncertain > unassessed)
  414. Species Triceratium hertleini Hanna, 1927 (uncertain > unassessed)
  415. Species Triceratium heterogonium Barker & Meakin, 1946 (uncertain > unassessed)
  416. Species Triceratium heteroporum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  417. Species Triceratium heterostictum Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  418. Species Triceratium hexagonalis (Boyer) VanLandingham, 1968 accepted as Biddulphia hexagonalis Boyer, 1922 (uncertain > unassessed)
  419. Species Triceratium hilaratum Pantocsek, 1892 (uncertain > unassessed)
  420. Species Triceratium hirsutum (uncertain > unassessed)
  421. Species Triceratium horridum Brightwell, 1856 (uncertain > unassessed)
  422. Species Triceratium hungaricum Pantocsek, 1892 (uncertain > unassessed)
  423. Species Triceratium hyalinum Brightwell, 1858 (uncertain > unassessed)
  424. Species Triceratium hystrix Pantocsek, 1889 (uncertain > unassessed)
  425. Species Triceratium idoneum Pantocsek, 1889 (uncertain > unassessed)
  426. Species Triceratium illustrum Pantocsek, 1892 (uncertain > unassessed)
  427. Species Triceratium impar Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  428. Species Triceratium imperator Truan y Luard & Witt, 1888 (uncertain > unassessed)
  429. Species Triceratium imperiale (Walker in Walker & Chase) M. Peragallo, 1897 (uncertain > unassessed)
  430. Species Triceratium implicatum Greville, 1865 (uncertain > unassessed)
  431. Species Triceratium impressum Grunow, 1883 (uncertain > unassessed)
  432. Species Triceratium inaequale Greville, 1864 (uncertain > unassessed)
  433. Species Triceratium incrassatum F.S.Castracane degli Antelminelli (uncertain > unassessed)
  434. Species Triceratium indefinitum (Jousé) Strelnikova, 1974 (uncertain > unassessed)
  435. Species Triceratium indentatum Kain & Schultze, 1889 (uncertain > unassessed)
  436. Species Triceratium inglorium Greville, 1865 (uncertain > unassessed)
  437. Species Triceratium inopinata Greville, 1861 (uncertain > unassessed)
  438. Species Triceratium insutum Castracane, 1886 (uncertain > unassessed)
  439. Species Triceratium intermedium Grove & Sturt, 1887 (uncertain > unassessed)
  440. Species Triceratium interpunctatum Grunow in Schmidt et al., 1882 (uncertain > unassessed)
  441. Species Triceratium interruptum Bailey Collection (uncertain > unassessed)
  442. Species Triceratium intricatum T.West, 1860 (uncertain > unassessed)
  443. Species Triceratium inversum (Mann) VanLandingham, 1968 (uncertain > unassessed)
  444. Species Triceratium ischaboense Hustedt, 1930 (uncertain > unassessed)
  445. Species Triceratium janischii Truan y Luard & Witt, 1888 (uncertain > unassessed)
  446. Species Triceratium japonicum Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  447. Species Triceratium javanicum Cleve, 1881 (uncertain > unassessed)
  448. Species Triceratium jensenianum Grunow, 1866 (uncertain > unassessed)
  449. Species Triceratium jeremianum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  450. Species Triceratium jimboi Pantocsek, 1892 (uncertain > unassessed)
  451. Species Triceratium johnsoni Ralfs in Pritchard, 1861 (uncertain > unassessed)
  452. Species Triceratium jordani Truan y Luard & Witt, 1888 (uncertain > unassessed)
  453. Species Triceratium jucatense Grunow in Schmidt et al., 1882 (uncertain > unassessed)
  454. Species Triceratium jucundum Pantocsek, 1892 (uncertain > unassessed)
  455. Species Triceratium kennetti Hajós & Stradner in Hajós, 1974 (uncertain > unassessed)
  456. Species Triceratium kidstonii Pantocsek, 1889 (uncertain > unassessed)
  457. Species Triceratium kinkeri Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  458. Species Triceratium kinkerianum J.-J.Brun (uncertain > unassessed)
  459. Species Triceratium kinkerianum Witt, 1885 (uncertain > unassessed)
  460. Species Triceratium kinkerianum Grove & Sturt, 1886 (uncertain > unassessed)
  461. Species Triceratium kittonianum Greville, 1865 (uncertain > unassessed)
  462. Species Triceratium kuepperi Hajós & Stradner in Hajós, 1974 (uncertain > unassessed)
  463. Species Triceratium kusnetzkianum Pantocsek, 1889 (uncertain > unassessed)
  464. Species Triceratium labyrinthaeum Greville, 1861 (uncertain > unassessed)
  465. Species Triceratium laetum Pantocsek, 1886 (uncertain > unassessed)
  466. Species Triceratium laevepunctatum Witt, 1873 (uncertain > unassessed)
  467. Species Triceratium lanceolatum Pantocsek, 1889 (uncertain > unassessed)
  468. Species Triceratium latipes Fenner in Schrader & Fenner, 1976 (uncertain > unassessed)
  469. Species Triceratium latum sensu Pantocsek, 1886 (uncertain > unassessed)
  470. Species Triceratium lautourianum Grove in Bergon et al., 1890 (uncertain > unassessed)
  471. Species Triceratium lautum Greville, 1866 (uncertain > unassessed)
  472. Species Triceratium leudugeri (uncertain > unassessed)
  473. Species Triceratium leudugerii (uncertain > unassessed)
  474. Species Triceratium levis (uncertain > unassessed)
  475. Species Triceratium ligulatum Greville, 1864 (uncertain > unassessed)
  476. Species Triceratium lingulatum Greville, 1864 (uncertain > unassessed)
  477. Species Triceratium loczyi (uncertain > unassessed)
  478. Species Triceratium lucidum Pantocsek, 1886 (uncertain > unassessed)
  479. Species Triceratium luculentum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  480. Species Triceratium luminosum Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  481. Species Triceratium lunatum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  482. Species Triceratium lustratum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  483. Species Triceratium macroporum Hajós, 1968 (uncertain > unassessed)
  484. Species Triceratium maculatum Kitton, 1871 (uncertain > unassessed)
  485. Species Triceratium madagascarense Grunow in Van Heurck, 1883 (uncertain > unassessed)
  486. Species Triceratium mamillanum Debes ex Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  487. Species Triceratium mammosum Greville, 1866 (uncertain > unassessed)
  488. Species Triceratium margaritaceum Ralfs in Pritchard, 1861 (uncertain > unassessed)
  489. Species Triceratium margaritiferum Cleve, 1881 (uncertain > unassessed)
  490. Species Triceratium marginatum Brightwell, 1856 (uncertain > unassessed)
  491. Species Triceratium marylandicum Brightwell, 1856 (uncertain > unassessed)
  492. Species Triceratium mediterraneum Pantocsek, 1908 (uncertain > unassessed)
  493. Species Triceratium megaporus (Ehrenberg) M. Peragallo, 1903 (uncertain > unassessed)
  494. Species Triceratium megastomum sensu Brightwell, 1853 (uncertain > unassessed)
  495. Species Triceratium membranaceum Brightwell, 1853 (uncertain > unassessed)
  496. Species Triceratium membranaceum (Cleve) (uncertain > unassessed)
  497. Species Triceratium mereskovskii Pantocsek, 1889 (uncertain > unassessed)
  498. Species Triceratium mesoleium Grunow in Van Heurck, 1883 (uncertain > unassessed)
  499. Species Triceratium microcephalum Greville, 1861 (uncertain > unassessed)
  500. Species Triceratium microporum Ehrenberg, 1875 (uncertain > unassessed)
  501. Species Triceratium microstictum Greville, 1864 (uncertain > unassessed)
  502. Species Triceratium microtis (uncertain > unassessed)
  503. Species Triceratium minusculum Grunow in Cleve & Möller, 1879 (uncertain > unassessed)
  504. Species Triceratium minutissima (Greville) F.W. Mills, 1934 (uncertain > unassessed)
  505. Species Triceratium minutum Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  506. Species Triceratium mirabile Jouse in Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  507. Species Triceratium mirificum Brun, 1896 (uncertain > unassessed)
  508. Species Triceratium modestum Greville, 1862 (uncertain > unassessed)
  509. Species Triceratium moelleri Pantocsek, 1886 (uncertain > unassessed)
  510. Species Triceratium montereyi (uncertain > unassessed)
  511. Species Triceratium morenoense Barker & Meakin, 1949 (uncertain > unassessed)
  512. Species Triceratium morsianum Tempere ex F. W. Mills, 1935 (uncertain > unassessed)
  513. Species Triceratium mucronatum Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  514. Species Triceratium nebulosum Greville, 1861 (uncertain > unassessed)
  515. Species Triceratium nebulosum Ehrenberg, 1872 (uncertain > unassessed)
  516. Species Triceratium needhami Hanna & Brigger, 1964 (uncertain > unassessed)
  517. Species Triceratium neglectum Greville, 1865 (uncertain > unassessed)
  518. Species Triceratium nervosum Pavillard, 1930 (uncertain > unassessed)
  519. Species Triceratium nicobaricum Grunow in Schmidt et al., 1882 (uncertain > unassessed)
  520. Species Triceratium nitidum Greville, 1861 (uncertain > unassessed)
  521. Species Triceratium nobile Witt, 1885 (uncertain > unassessed)
  522. Species Triceratium nobile (Greville) Cleve, 1885 (uncertain > unassessed)
  523. Species Triceratium notabilis Korotkevicz, 1964 (uncertain > unassessed)
  524. Species Triceratium notabilis Greville, 1861 (uncertain > unassessed)
  525. Species Triceratium notatum Pantocsek, 1892 (uncertain > unassessed)
  526. Species Triceratium nova zealandicum (Grove & Sturt) Grunow, 1888 (uncertain > unassessed)
  527. Species Triceratium novae seelandiae (Grove & Sturt) Schmidt, 1888 (uncertain > unassessed)
  528. Species Triceratium nudum Pantocsek, 1886 (uncertain > unassessed)
  529. Species Triceratium obliquum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  530. Species Triceratium obtusangulum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  531. Species Triceratium obtusum Ehrenberg, 1844 (uncertain > unassessed)
  532. Species Triceratium obtusum K.G.Shibkova, 1959 (uncertain > unassessed)
  533. Species Triceratium obtusum sensu Brightwell, 1853 (uncertain > unassessed)
  534. Species Triceratium occultum Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
  535. Species Triceratium ocellatum Ehrenberg, 1845 (uncertain > unassessed)
  536. Species Triceratium officiosum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  537. Species Triceratium orbiculatum Schibkova in Krotov & Schibkova, 1959 (uncertain > unassessed)
  538. Species Triceratium orbiculatum sensu Brightwell, 1856 (uncertain > unassessed)
  539. Species Triceratium orientale Harvey & Bailey, 1853 (uncertain > unassessed)
  540. Species Triceratium papillatum Kitton in A. Schmist, 1891 (uncertain > unassessed)
  541. Species Triceratium parallum Christian?, 1888 (uncertain > unassessed)
  542. Species Triceratium pardus Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  543. Species Triceratium parma J.W. Bailey ex H.L. Smith, 1872 (uncertain > unassessed)
  544. Species Triceratium parmula Brightwell, 1856 (uncertain > unassessed)
  545. Species Triceratium partitum Greville, 1864 (uncertain > unassessed)
  546. Species Triceratium parvulum (Janisch & Rabenhorst) (uncertain > unassessed)
  547. Species Triceratium parvulum (Greville) M. Peragallo (uncertain > unassessed)
  548. Species Triceratium patagonicum A.Schmidt, 1885 (uncertain > unassessed)
  549. Species Triceratium pauperculum Greville, 1865 (uncertain > unassessed)
  550. Species Triceratium pavimentosum Castracane, 1886 (uncertain > unassessed)
  551. Species Triceratium pectinatum Greville, 1862 (uncertain > unassessed)
  552. Species Triceratium pelagicum (J.L.B.Schröder) Sournia, 1968 (uncertain > unassessed)
  553. Species Triceratium pellucida (Castracane) Guo, Ye & Zhou, 1982 (uncertain > unassessed)
  554. Species Triceratium peragallii (uncertain > unassessed)
  555. Species Triceratium peragalloii Pantocsek, 1889 (uncertain > unassessed)
  556. Species Triceratium permagnum Janisch, 1888 (uncertain > unassessed)
  557. Species Triceratium perminutum Greville, 1864 (uncertain > unassessed)
  558. Species Triceratium perpendiculare Lin & Chin, 1980 (uncertain > unassessed)
  559. Species Triceratium perplexum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  560. Species Triceratium perpusillium Greville, 1864 (uncertain > unassessed)
  561. Species Triceratium perryanum Truan y Luard & Witt, 1888 (uncertain > unassessed)
  562. Species Triceratium pethoei Pantocsek, 1889 (uncertain > unassessed)
  563. Species Triceratium petitianum Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  564. Species Triceratium petitii Pantocsek, 1889 (uncertain > unassessed)
  565. Species Triceratium pileatum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  566. Species Triceratium planoconcavum (uncertain > unassessed)
  567. Species Triceratium planum Strelnikova, 1974 (uncertain > unassessed)
  568. Species Triceratium plenum Grove & Sturt in Grunow, 1889 (uncertain > unassessed)
  569. Species Triceratium plumosum Greville, 1864 (uncertain > unassessed)
  570. Species Triceratium polycystinorum sensu Krotov & Schibkova, 1959 (uncertain > unassessed)
  571. Species Triceratium polygibbum Pantocsek, 1886 (uncertain > unassessed)
  572. Species Triceratium polygonium Greville, 1865 (uncertain > unassessed)
  573. Species Triceratium polymorphus Harwood & Maruyama, 1992 (uncertain > unassessed)
  574. Species Triceratium ponderosum Edwards, 1873 (uncertain > unassessed)
  575. Species Triceratium portuosum Janisch in Schmidt et al., 1885 (uncertain > unassessed)
  576. Species Triceratium praeferox Pantocsek, 1892 (uncertain > unassessed)
  577. Species Triceratium praeturgidum Schibkova in Krotov & Schibkova, 1959 (uncertain > unassessed)
  578. Species Triceratium productissimum Bergon ex Bergon et al., 1890 (uncertain > unassessed)
  579. Species Triceratium prominens Greville, 1863 (uncertain > unassessed)
  580. Species Triceratium proprium Pantocsek, 1892 (uncertain > unassessed)
  581. Species Triceratium protractum Pantocsek, 1889 (uncertain > unassessed)
  582. Species Triceratium pruninosum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  583. Species Triceratium pseudoarcticum Pantocsek, 1892 (uncertain > unassessed)
  584. Species Triceratium pseudotrisulcatum Hustedt, 1935 (uncertain > unassessed)
  585. Species Triceratium pulchellum Grunow (uncertain > unassessed)
  586. Species Triceratium pulcherrimum Greville, 1861 (uncertain > unassessed)
  587. Species Triceratium pulchrum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  588. Species Triceratium pulvillus Castracane, 1886 (uncertain > unassessed)
  589. Species Triceratium pulvinar Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  590. Species Triceratium punctatolineatum Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  591. Species Triceratium punctatum (Greville) (uncertain > unassessed)
  592. Species Triceratium punctatum Wallich, 1860 (uncertain > unassessed)
  593. Species Triceratium punctigerum Castracane, 1886 (uncertain > unassessed)
  594. Species Triceratium punctulata Tempère & Peragallo, 1908 (uncertain > unassessed)
  595. Species Triceratium quadrangulare Greville, 1865 (uncertain > unassessed)
  596. Species Triceratium quadricorne Greville, 1865 (uncertain > unassessed)
  597. Species Triceratium quadrinotatum Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  598. Species Triceratium quinquefolium Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  599. Species Triceratium quinqueguttatum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  600. Species Triceratium quinquelobatum Greville, 1866 (uncertain > unassessed)
  601. Species Triceratium radfordianum (Castracane) F.W. Mills, 1935 (uncertain > unassessed)
  602. Species Triceratium radiatopunctatum (uncertain > unassessed)
  603. Species Triceratium radiatum (Greville) M. Peragallo, 1897 (uncertain > unassessed)
  604. Species Triceratium radiolatum Janisch in Schmidt et al., 1890 (uncertain > unassessed)
  605. Species Triceratium radiosoreticulatum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  606. Species Triceratium rattrayii Pantocsek, 1889 (uncertain > unassessed)
  607. Species Triceratium receptum Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  608. Species Triceratium rectangulare Grove & Sturt, 1887 (uncertain > unassessed)
  609. Species Triceratium regina Wolle, 1890 (uncertain > unassessed)
  610. Species Triceratium regina Ehrenberg ex M. Peragallo, 1903 (uncertain > unassessed)
  611. Species Triceratium renunciatum Pantocsek, 1889 (uncertain > unassessed)
  612. Species Triceratium reticulatum Greville, 1865 (uncertain > unassessed)
  613. Species Triceratium reticulum Weisse, 1854 (uncertain > unassessed)
  614. Species Triceratium rivale Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  615. Species Triceratium robertsiana (uncertain > unassessed)
  616. Species Triceratium robertsianum Greville (uncertain > unassessed)
  617. Species Triceratium robertsianum Stokes ex O'Meara, 1869 (uncertain > unassessed)
  618. Species Triceratium robustum Greville, 1861 (uncertain > unassessed)
  619. Species Triceratium rogosum Grove & Sturt, 1887 (uncertain > unassessed)
  620. Species Triceratium roperianum Greville, 1862 (uncertain > unassessed)
  621. Species Triceratium rostratum Petit, 1881 (uncertain > unassessed)
  622. Species Triceratium rotifer Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  623. Species Triceratium rotundatum R.K.Greville, 1861 † (uncertain)
  624. Species Triceratium rudis (Mann) VanLandingham, 1968 (uncertain > unassessed)
  625. Species Triceratium russlandicum Tempère, 1890 (uncertain > unassessed)
  626. Species Triceratium rusticum (Mann) F.W. Mills, 1935 (uncertain > unassessed)
  627. Species Triceratium rylandsianum Greville, 1864 (uncertain > unassessed)
  628. Species Triceratium rzehakii Pantocsek, 1889 (uncertain > unassessed)
  629. Species Triceratium saliens (uncertain > unassessed)
  630. Species Triceratium sanctaehelenae Heiden & Kolbe, 1928 (uncertain > unassessed)
  631. Species Triceratium sanpedroana (Mereschkowsky) F.W. Mills, 1935 (uncertain > unassessed)
  632. Species Triceratium sarcophagus Castracane, 1886 (uncertain > unassessed)
  633. Species Triceratium sarmaticum Pantocsek, 1889 (uncertain > unassessed)
  634. Species Triceratium schlumbergeri Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  635. Species Triceratium schmidtii Anissimova ex Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  636. Species Triceratium schulzii Jousé, 1949 (uncertain > unassessed)
  637. Species Triceratium scitulum sensu Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  638. Species Triceratium scopus Brun, 1896 (uncertain > unassessed)
  639. Species Triceratium scutum M. Peragallo, 1903 (uncertain > unassessed)
  640. Species Triceratium secedens Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  641. Species Triceratium secernendum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  642. Species Triceratium semseyi Pantocsek, 1889 (uncertain > unassessed)
  643. Species Triceratium separatum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  644. Species Triceratium septangulatum (Kitton) H.L. Smith, 1874-1879 (uncertain > unassessed)
  645. Species Triceratium septum Pantocsek, 1889 (uncertain > unassessed)
  646. Species Triceratium serratum Wallich, 1858 (uncertain > unassessed)
  647. Species Triceratium setigerum J.W.Bailey, 1854 (uncertain > unassessed)
  648. Species Triceratium sexangulatum Greville, 1865 (uncertain > unassessed)
  649. Species Triceratium sexpartitum Grove & Sturt, 1887 (uncertain > unassessed)
  650. Species Triceratium seychellense Grunow in Van Heurck, 1883 (uncertain > unassessed)
  651. Species Triceratium seychellense sensu Forti, 1910 (uncertain > unassessed)
  652. Species Triceratium shadbodtianum (uncertain > unassessed)
  653. Species Triceratium shadboltii L.W. Bailey, 1861 (uncertain > unassessed)
  654. Species Triceratium sibiricum Jousé, 1955 (uncertain > unassessed)
  655. Species Triceratium sidereum Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  656. Species Triceratium simile Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  657. Species Triceratium simplex Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  658. Species Triceratium simplicissimum Witt, 1885 (uncertain > unassessed)
  659. Species Triceratium sinense Schwarz, 1874 (uncertain > unassessed)
  660. Species Triceratium smithianum Greville, 1864 (uncertain > unassessed)
  661. Species Triceratium smithii Pantocsek, 1889 (uncertain > unassessed)
  662. Species Triceratium sokolowii Pantocsek, 1892 (uncertain > unassessed)
  663. Species Triceratium sol A. Schmidt, 1890 (uncertain > unassessed)
  664. Species Triceratium sol Cleve & Möller, 1878 (uncertain > unassessed)
  665. Species Triceratium sollemne Jousé, 1955 (uncertain > unassessed)
  666. Species Triceratium sparsimpunctata Jousé in Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  667. Species Triceratium sparsipunctatum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  668. Species Triceratium speciosum Pantocsek, 1892 (uncertain > unassessed)
  669. Species Triceratium spectabile Weisse, 1867 (uncertain > unassessed)
  670. Species Triceratium spinulosum Grunow in Schmidt et al., 1885 (uncertain > unassessed)
  671. Species Triceratium splendidum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  672. Species Triceratium squamiferum Pantocsek ex Tempère, 1891 (uncertain > unassessed)
  673. Species Triceratium st. helenae (uncertain > unassessed)
  674. Species Triceratium staubii Pantocsek, 1892 (uncertain > unassessed)
  675. Species Triceratium stellatum Meister, 1934 (1935) (uncertain > unassessed)
  676. Species Triceratium stigmaticum Pantocsek, 1892 (uncertain > unassessed)
  677. Species Triceratium stolterfothii Truan y Luard & Witt, 1888 (uncertain > unassessed)
  678. Species Triceratium strabo Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
  679. Species Triceratium striolatum Ehrenberg, 1840 (uncertain > unassessed)
  680. Species Triceratium striolatum W. Smith, 1853 (uncertain > unassessed)
  681. Species Triceratium striolatum sensu Brightwell, 1853 (uncertain > unassessed)
  682. Species Triceratium striolatum sensu Roper, 1854 (uncertain > unassessed)
  683. Species Triceratium sturtii Pantocsek, 1886 (uncertain > unassessed)
  684. Species Triceratium subcapitatum Pantocsek, 1889 (uncertain > unassessed)
  685. Species Triceratium subcornutum Grunow in Schmidt et al., 1886 (uncertain > unassessed)
  686. Species Triceratium sublime Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  687. Species Triceratium subofficiosum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  688. Species Triceratium subquadrangulare Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  689. Species Triceratium subradiatum Grunow in Cleve & Möller, 1879 (uncertain > unassessed)
  690. Species Triceratium subrotundatum A.W.F.Schmidt (uncertain > unassessed)
  691. Species Triceratium subrotundatum sensu Forti, 1912 (uncertain > unassessed)
  692. Species Triceratium subundosum Hustedt, 1930 † (uncertain > unassessed)
  693. Species Triceratium succinctum Truan & Witt, 1888 (uncertain > unassessed)
  694. Species Triceratium sundbyense Hustedt ex R.Simonsen, 1987 † (uncertain > unassessed)
  695. Species Triceratium swastika Long, Fuge & Smith, 1946 (uncertain > unassessed)
  696. Species Triceratium synicum N.I.Strelnikova, 1965 † (uncertain > unassessed)
  697. Species Triceratium szakalense Pantocsek, 1886 (uncertain > unassessed)
  698. Species Triceratium taeniatum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  699. Species Triceratium tahitiense Castracane, 1886 (uncertain > unassessed)
  700. Species Triceratium tectum Pantocsek, 1892 (uncertain > unassessed)
  701. Species Triceratium temperei Brun in Brun, Bergon et al., 1890 (uncertain > unassessed)
  702. Species Triceratium tertiarium Pantocsek, 1889 (uncertain > unassessed)
  703. Species Triceratium tessela (Krotov) Strelnikova, 1974 (uncertain > unassessed)
  704. Species Triceratium tessellatum Greville, 1861 (uncertain > unassessed)
  705. Species Triceratium testudo J.-J.Brun (uncertain > unassessed)
  706. Species Triceratium tetragonum Pantocsek, 1889 (uncertain > unassessed)
  707. Species Triceratium thumii J.D. Moller, 1892 (uncertain > unassessed)
  708. Species Triceratium thwaitesianum Greville, 1862 (uncertain > unassessed)
  709. Species Triceratium transylvanica Pantocsek ex F. W. Mills, 1935 (uncertain > unassessed)
  710. Species Triceratium triascium Pantocsek, 1889 (uncertain > unassessed)
  711. Species Triceratium trifoliatum Cleve, 1881 † (uncertain > unassessed)
  712. Species Triceratium trifoliatum Barker & Meakin, 1945 (uncertain > unassessed)
  713. Species Triceratium trifolium Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  714. Species Triceratium trilineatum Greville, 1865 (uncertain > unassessed)
  715. Species Triceratium trilingulatum T.Brightwell (uncertain > unassessed)
  716. Species Triceratium triorbicum Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  717. Species Triceratium triplex Brun, 1896 (uncertain > unassessed)
  718. Species Triceratium tripolaris Tempère & Brun, 1889 (uncertain > unassessed)
  719. Species Triceratium trisinum (Mann) VanLandingham, 1968 (uncertain > unassessed)
  720. Species Triceratium trisulcum sensu Krotov & Schibkova, 1959 (uncertain > unassessed)
  721. Species Triceratium trisulcum sensu Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  722. Species Triceratium truanii Pantocsek, 1889 (uncertain > unassessed)
  723. Species Triceratium truncatum Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  724. Species Triceratium tulkii Tempère in Bergon et al., 1890 (uncertain > unassessed)
  725. Species Triceratium tumescens Castracane, 1886 (uncertain > unassessed)
  726. Species Triceratium turgidulum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  727. Species Triceratium turgidum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  728. Species Triceratium turgidum Cleve, 1885 (uncertain > unassessed)
  729. Species Triceratium turriferum Truan y Luard & Witt, 1888 (uncertain > unassessed)
  730. Species Triceratium turrigerum (Mann) VanLandingham, 1968 (uncertain > unassessed)
  731. Species Triceratium udiensis Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  732. Species Triceratium umbilicatum Ralfs in Pritchard, 1861 (uncertain > unassessed)
  733. Species Triceratium uncinatum Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  734. Species Triceratium undatum A.M. Edwards in Stodder, 1861 (uncertain > unassessed)
  735. Species Triceratium undatum Grunow, 1887 (uncertain > unassessed)
  736. Species Triceratium undatum Pantocsek, 1889 (uncertain > unassessed)
  737. Species Triceratium undosum Pantocsek, 1889 (uncertain > unassessed)
  738. Species Triceratium undulans Barker & Meakin, 1946 (uncertain > unassessed)
  739. Species Triceratium undulatum Brightwell, 1858 (uncertain > unassessed)
  740. Species Triceratium undulatum Weisse, 1854 (uncertain > unassessed)
  741. Species Triceratium undulatum W. Smith, 1853 (uncertain > unassessed)
  742. Species Triceratium undum Euler (uncertain > unassessed)
  743. Species Triceratium unguiculatum Greville, 1864 (uncertain > unassessed)
  744. Species Triceratium uralense N.I.Strelnikova, 1965 † (uncertain > unassessed)
  745. Species Triceratium variable Brightwell, 1856 (uncertain > unassessed)
  746. Species Triceratium variegatum Greville, 1861 (uncertain > unassessed)
  747. Species Triceratium vastum Pantocsek, 1892 (uncertain > unassessed)
  748. Species Triceratium vates Pantocsek, 1892 (uncertain > unassessed)
  749. Species Triceratium ventriculosum Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  750. Species Triceratium venustum Witt, 1885 (uncertain > unassessed)
  751. Species Triceratium verecundum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  752. Species Triceratium veterarium Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  753. Species Triceratium vetustum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  754. Species Triceratium vittatum Pantocsek, 1889 (uncertain > unassessed)
  755. Species Triceratium wallichii Ralfs in Pritchard, 1861 (uncertain > unassessed)
  756. Species Triceratium websteri Tempère in Bergon et al., 1890 (uncertain > unassessed)
  757. Species Triceratium weissei Grunow ex Witt, 1885 † (uncertain > unassessed)
  758. Species Triceratium weisseianum Pantocsek, 1889 (uncertain > unassessed)
  759. Species Triceratium weissflogii Grove & Sturt, 1887 (uncertain > unassessed)
  760. Species Triceratium weissflogii Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  761. Species Triceratium weissii Grunow ex O. Witt, 1885 (uncertain > unassessed)
  762. Species Triceratium wettsteinii Pantocsek, 1910 (uncertain > unassessed)
  763. Species Triceratium wettsteinii Pantocsek, 1908 (uncertain > unassessed)
  764. Species Triceratium wetzelii Hustedt ex Wetzel, 1935 (uncertain > unassessed)
  765. Species Triceratium whampoense A.F.Schwarz, 1874 (uncertain > unassessed)
  766. Species Triceratium wilkesii Harvey & J.W. Bailey, 1853 (1854) (uncertain > unassessed)
  767. Species Triceratium witti (uncertain > unassessed)
  768. Species Triceratium zonatum Greville, 1864 (uncertain > unassessed)
marine, fresh, terrestrial
recent only
Ehrenberg, C.G. (1839). Über jetzt wirklich noch zahlreich lebende Thier-Arten der Kreideformation der Erde. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin, 1839: 152-159 [details] 
Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Triceratium C.G. Ehrenberg, 1839. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=149154 on 2025-05-10
Date
action
by
2005-03-30 08:52:46Z
created
db_admin
2017-02-23 10:36:53Z
changed
Kociolek, John Patrick

original description Ehrenberg, C.G. (1839). Über jetzt wirklich noch zahlreich lebende Thier-Arten der Kreideformation der Erde. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin, 1839: 152-159 [details] 

basis of record Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp. (look up in IMIS) [details] 

additional source Tomas, C.R. (Ed.). (1997). Identifying marine phytoplankton. Academic Press: San Diego, CA [etc.] (USA). ISBN 0-12-693018-X. XV, 858 pp., available online at http://www.sciencedirect.com/science/book/9780126930184 [details] 

additional source Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online at http://helcom.fi/Lists/Publications/BSEP95.pdf [details] Available for editors  PDF available [request]

additional source Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
LanguageName 
Japanese トリケラチウム属  [details]
Published in AlgaeBase Logo AlgaeBase 
To Biological Information System for Marine Life (BISMaL) 
To Catalogue of Diatom Names (CAS) 
To European Nucleotide Archive, ENA (Triceratium) 
To Genbank 
To Yale Peabody Museum of Natural History (YPM IZ 099760) 
To ITIS
Unreviewed
Triceratium sp. C. G. Ehrenberg, 1839
Triceratium sp. C. G. Ehrenberg, 1839
To Yale Peabody Museum of Natural History (YPM IZ 099760)
To Yale Peabody Museum of Natural History (YPM IZ 099760)
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