WoRMS taxon details

Elysia Risso, 1818

137928  (urn:lsid:marinespecies.org:taxname:137928)

accepted
Genus
Actaeon Rang, 1829 · unaccepted (Not available from Oken, 1815)
Aplysiopterus Delle Chiaje, 1830 · unaccepted > junior subjective synonym
Checholysia Ortea, Caballer, Moro & Espinosa, 2005 · unaccepted > junior subjective synonym
Elysia (Elysiopterus) Pruvot-Fol, 1946 · unaccepted (unavailable name: no type species...)  
unavailable name: no type species designated
Elysia (Tridachia) Deshayes, 1857 · unaccepted > junior subjective synonym
Elysiella A. E. Verrill, 1872 · unaccepted > junior subjective synonym (Invalid: junior homonym of...)  
Invalid: junior homonym of Elysiella Bergh, 1871
Elysiella Bergh, 1871 · unaccepted > junior subjective synonym
Elysiobranchus Pruvot-Fol, 1930 · unaccepted > junior subjective synonym
Hydropsyche Kelaart, 1858 · unaccepted (Invalid: junior homonym of...)  
Invalid: junior homonym of Hydropsyche Pictet, 1834 [Trichoptera]
Pattyclaya Ev. Marcus, 1982 · unaccepted > junior subjective synonym
Pterogasteron Pease, 1860 · unaccepted > junior subjective synonym
Rhyzobranchus Cantraine, 1835 · unaccepted (Unavailable name: established in...)  
Unavailable name: established in synonymy of Elysia
Thallepus Swainson, 1840 · unaccepted > junior subjective synonym
Thridachia P. Fischer, 1883 · unaccepted (Unjustified emendation of Tridachia)
Tridachia Deshayes, 1857 · unaccepted > junior subjective synonym
Tridachiella MacFarland, 1924 · unaccepted > junior subjective synonym

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  1. Species Elysia abei Baba, 1955
  2. Species Elysia amakusana Baba, 1955
  3. Species Elysia amuravela Ortea, 2017
  4. Species Elysia annedupontae Ortea, Caballer, Moro & Espinosa, 2005
  5. Species Elysia aowthai Mehrotra, Caballer, C. M. Scott, Sp. Arnold, Monchanin & Chavanich, 2020
  6. Species Elysia arena Carlson & Hoff, 1978
  7. Species Elysia asbecki Wägele, Stemmer, Burghardt & Händeler, 2010
  8. Species Elysia atroviridis Baba, 1955
  9. Species Elysia australis (Quoy & Gaimard, 1832)
  10. Species Elysia azorica Martín-Hervás, Carmona, K. R. Jensen, Krug, Vitale & Cervera, 2023
  11. Species Elysia babai Pruvot-Fol, 1946
  12. Species Elysia bangtawaensis Swennen, 1998
  13. Species Elysia bella (Pease, 1860)
  14. Species Elysia bengalensis Swennen, 2011
  15. Species Elysia bennettae T. E. Thompson, 1973
  16. Species Elysia brycei (K. R. Jensen & F. E. Wells, 1990)
  17. Species Elysia buonoi Krug, Vendetti & Á. Valdés, 2016
  18. Species Elysia canguzua Er. Marcus, 1955
  19. Species Elysia catulus (A. A. Gould, 1870)
  20. Species Elysia chavelavargas Ortea, 2017
  21. Species Elysia chilkensis Eliot, 1916
  22. Species Elysia chlorotica A. A. Gould, 1870
  23. Species Elysia christinae Krug, Vendetti & Á. Valdés, 2016
  24. Species Elysia coodgeensis Angas, 1864
  25. Species Elysia corinneae (Ev. Marcus, 1974)
  26. Species Elysia cornigera T. R. Nuttall, 1989
  27. Species Elysia crispata Mörch, 1863
  28. Species Elysia degeneri Ostergaard, 1955
  29. Species Elysia delcarmen Ortea, 2017
  30. Species Elysia diomedea (Bergh, 1894)
  31. Species Elysia ellenae Ortea, Espinosa & Caballer, 2013
  32. Species Elysia entredosaguas Ortea & Bacallado, 2014
  33. Species Elysia evelinae Er. Marcus, 1957
  34. Species Elysia expansa (O'Donoghue, 1924)
  35. Species Elysia faustula Bergh, 1871
  36. Species Elysia filicauda K. R. Jensen & F. E. Wells, 1990
  37. Species Elysia flava A. E. Verrill, 1901
  38. Species Elysia flavipunctata M. Ichikawa, 1993
  39. Species Elysia flavomacula K. R. Jensen, 1990
  40. Species Elysia frankenstein Ortea, 2018
  41. Species Elysia furvacauda Burn, 1958
  42. Species Elysia gordanae T. E. Thompson & Jaklin, 1988
  43. Species Elysia grandifolia Kelaart, 1858
  44. Species Elysia grandis Bergh, 1872
  45. Species Elysia hamatanii Baba, 1957
  46. Species Elysia hedgpethi Er. Marcus, 1961
  47. Species Elysia hendersoni Eliot, 1900
  48. Species Elysia hirasei Baba, 1955
  49. Species Elysia japonica Eliot, 1913
  50. Species Elysia jaramilloi Ortea, Moro & Bacallado, 2017
  51. Species Elysia jibacoaensis Ortea, Moro, Caballer & Espinosa, 2011
  52. Species Elysia kushimotoensis Baba, 1957
  53. Species Elysia leucolegnote K. R. Jensen, 1990
  54. Species Elysia levis (Fernández-Ovies & Ortea, 1986)
  55. Species Elysia lobata A. A. Gould, 1852
  56. Species Elysia macnaei Ev. Marcus, 1980
  57. Species Elysia manriquei Ortea & Moro, 2009
  58. Species Elysia maoria A. W. B. Powell, 1937
  59. Species Elysia marcusi (Ev. Marcus, 1972)
  60. Species Elysia margaritae Fez, 1962
  61. Species Elysia marginata (Pease, 1871)
  62. Species Elysia mercieri (Pruvot-Fol, 1930)
  63. Species Elysia minima M. Ichikawa, 1993
  64. Species Elysia nealae Ostergaard, 1955
  65. Species Elysia nigrocapitata Baba, 1957
  66. Species Elysia nigropunctata (Pease, 1871)
  67. Species Elysia nisbeti T. E. Thompson, 1977
  68. Species Elysia obtusa Baba, 1938
  69. Species Elysia oerstedii Mörch, 1859
  70. Species Elysia orientalis Ortea, Moro, Caballer & Espinosa, 2011 (accepted > unreplaced junior homonym, of Elysia grandifolia var. orientalis Baba, 1957)
  71. Species Elysia ornata (Swainson, 1840)
  72. Species Elysia papillosa A. E. Verrill, 1901
  73. Species Elysia patagonica Muniain & Ortea, 1997
  74. Species Elysia patina Ev. Marcus, 1980
  75. Species Elysia pawliki Krug, Vendetti & Á. Valdés, 2016
  76. Species Elysia pilosa Risbec, 1928
  77. Species Elysia pratensis Ortea & Espinosa, 1996
  78. Species Elysia punctata Kelaart, 1858
  79. Species Elysia pusilla (Bergh, 1872)
  80. Species Elysia rubeni Martín-Hervás, Carmona, K. R. Jensen, Licchelli, Vitale & Cervera, 2020
  81. Species Elysia rubropunctata Macnae, 1954
  82. Species Elysia rufescens (Pease, 1871)
  83. Species Elysia sanfermin Ortea, 2017
  84. Species Elysia serca Er. Marcus, 1955
  85. Species Elysia siamensis Swennen, 1998
  86. Species Elysia singaporensis Swennen, 2011
  87. Species Elysia slimora Er. Marcus & Ev. Marcus, 1966
  88. Species Elysia stylifera (K. R. Jensen, 1997)
  89. Species Elysia subornata A. E. Verrill, 1901
  90. Species Elysia sugashimae Baba, 1955
  91. Species Elysia taino Krug, Vendetti & Á. Valdés, 2016
  92. Species Elysia thompsoni K. R. Jensen, 1993
  93. Species Elysia thysanopoda Bergh, 1905
  94. Species Elysia timida (Risso, 1818)
  95. Species Elysia tokarensis Baba, 1957
  96. Species Elysia tomentosa K. R. Jensen, 1997
  97. Species Elysia trilobata Heller & T. E. Thompson, 1983
  98. Species Elysia trisinuata Baba, 1949
  99. Species Elysia velutinus Pruvot-Fol, 1947
  100. Species Elysia verrucosa K. R. Jensen, 1985
  101. Species Elysia viridis (Montagu, 1804)
  102. Species Elysia vreelandae Ev. Marcus & Er. Marcus, 1970
  103. Species Elysia yaeyamana Baba, 1936
  104. Species Elysia zemi Krug, Vendetti & Á. Valdés, 2016
  105. Species Elysia zuleicae Ortea & Espinosa, 2002
  106. Species Elysia albomarginata Trinchese, 1869 (uncertain > nomen dubium)
  107. Species Elysia chitwa Er. Marcus, 1955 (uncertain > nomen dubium)
  108. Species Elysia fezi Vilella, 1968 (uncertain > taxon inquirendum)
  109. Species Elysia pruvotae Risbec, 1953 (uncertain > taxon inquirendum)
  110. Species Elysia scops Ev. Marcus & Er. Marcus, 1967 (uncertain > nomen dubium)
  111. Species Elysia translucens Pruvot-Fol, 1957 (uncertain > taxon inquirendum)
  112. Species Elysia viridissima Trinchese, 1869 (uncertain > nomen dubium)
  113. Subgenus Elysia (Elysia) Risso, 1818 accepted as Elysia Risso, 1818
    1. Species Elysia (Elysia) trisinuata Baba, 1949 accepted as Elysia trisinuata Baba, 1949 (basionym)
  114. Subgenus Elysia (Elysiobranchus) Pruvot-Fol, 1946 (unaccepted > unavailable name, no type species designated)
    1. Species Elysia (Elysiobranchus) velutinus Pruvot-Fol, 1947 accepted as Elysia crispata Mörch, 1863 (unaccepted > junior subjective synonym)
    2. Species Elysia (Elysiobranchus) verrilli Pruvot-Fol, 1946 accepted as Elysia crispata Mörch, 1863 (unaccepted > junior subjective synonym)
  115. Subgenus Elysia (Elysiopterus) Pruvot-Fol, 1946 accepted as Elysia Risso, 1818 (unavailable name: no type species designated)
    1. Species Elysia (Elysiopterus) verrilli Pruvot-Fol, 1946 accepted as Elysia velutinus Pruvot-Fol, 1947 (invalid: junior homonym of Elysia verrilli Thiele, 1931; E. velutinus and E. pruvotfolae are replacerment names)
  116. Subgenus Elysia (Tridachia) Deshayes, 1857 accepted as Elysia Risso, 1818 (unaccepted > junior subjective synonym)
    1. Species Elysia (Tridachia) crispata Mörch, 1863 accepted as Elysia crispata Mörch, 1863
    2. Species Elysia (Tridachia) schrammi Mörch, 1863 accepted as Elysia crispata Mörch, 1863
  117. Species Elysia bayeri Er. Marcus, 1965 accepted as Thuridilla bayeri (Er. Marcus, 1965) (original combination)
  118. Species Elysia bedeckta MacFarland, 1966 accepted as Elysia hedgpethi Er. Marcus, 1961
  119. Species Elysia caerulea Kelaart, 1858 accepted as Thuridilla coerulea (Kelaart, 1858) (original combination)
  120. Species Elysia cauze Er. Marcus, 1957 accepted as Elysia subornata A. E. Verrill, 1901 (unaccepted > junior subjective synonym)
  121. Species Elysia clarki Pierce, Curtis, Massey, Bass, Karl & Finney, 2006 accepted as Elysia crispata Mörch, 1863
  122. Species Elysia clena Er. Marcus & Ev. Marcus, 1970 accepted as Elysia serca Er. Marcus, 1955
  123. Species Elysia cyanea Mamo, 1867 accepted as Thuridilla hopei (Vérany, 1853) (synonym)
  124. Species Elysia deborahae Ortea, Espinosa & Moro, 2005 accepted as Elysia zuleicae Ortea & Espinosa, 2002 (unaccepted > junior subjective synonym)
  125. Species Elysia decorata Heller & T. E. Thompson, 1983 accepted as Thuridilla decorata (Heller & T. E. Thompson, 1983) (original combination)
  126. Species Elysia duis Ev. Marcus & Er. Marcus, 1967 accepted as Thuridilla picta (A. E. Verrill, 1901)
  127. Species Elysia eugeniae Ortea & Espinosa, 2002 accepted as Elysia canguzua Er. Marcus, 1955
  128. Species Elysia fusca R. A. Philippi, 1844 accepted as Elysia timida (Risso, 1818) (unaccepted > junior subjective synonym, uncertain synonym; could also be E. viridis)
  129. Species Elysia gracilis Risbec, 1928 accepted as Thuridilla gracilis (Risbec, 1928) (original combination)
  130. Species Elysia haingsisiana Bergh, 1905 accepted as Thuridilla haingsisiana (Bergh, 1905) (original combination)
  131. Species Elysia halimedae Macnae, 1954 accepted as Elysia pusilla (Bergh, 1872)
  132. Species Elysia hamanni Krug, Vendetti & Á. Valdés, 2016 accepted as Elysia entredosaguas Ortea & Bacallado, 2014
  133. Species Elysia hetta Perrone, 1990 accepted as Elysia gordanae T. E. Thompson & Jaklin, 1988 (unaccepted > junior subjective synonym)
  134. Species Elysia leeanneae Caballer, Ortea & Espinosa, 2013 accepted as Elysia zuleicae Ortea & Espinosa, 2002 (unaccepted > junior subjective synonym)
  135. Species Elysia lineolata Bergh, 1905 accepted as Thuridilla lineolata (Bergh, 1905)
  136. Species Elysia livida Baba, 1955 accepted as Thuridilla livida (Baba, 1955) (unaccepted > superseded combination)
  137. Species Elysia marmorata Cantraine, 1835 accepted as Elysia viridis (Montagu, 1804) (dubious synonym)
  138. Species Elysia minuta M. Sars, 1835 accepted as Elysia viridis (Montagu, 1804)
  139. Species Elysia moebii (Bergh, 1888) accepted as Thuridilla moebii (Bergh, 1888)
  140. Species Elysia muja Ortea, 2024 (unaccepted > interim unpublished, name introduced in a manuscript intended for a supplement to journal Avicennia, which eventually was not printed.)
  141. Species Elysia nigropuncta [sic] accepted as Elysia nigropunctata (Pease, 1871) (misspelling)
  142. Species Elysia ocellata Pease, 1860 accepted as Plakobranchus ocellatus van Hasselt, 1824
  143. Species Elysia pagenstecheri Ev. Marcus, 1982 accepted as Elysia viridis (Montagu, 1804) (unaccepted > junior subjective synonym)
  144. Species Elysia picta A. E. Verrill, 1901 accepted as Thuridilla picta (A. E. Verrill, 1901) (unaccepted > superseded combination)
  145. Species Elysia pruvotfolae Er. Marcus, 1957 accepted as Elysia velutinus Pruvot-Fol, 1947
  146. Species Elysia purchoni T. E. Thompson, 1977 accepted as Elysia canguzua Er. Marcus, 1955
  147. Species Elysia ratna Er. Marcus, 1965 accepted as Thuridilla ratna (Er. Marcus, 1965)
  148. Species Elysia sarasuae Ortea, Moro, Caballer & Espinosa, 2011 accepted as Elysia zuleicae Ortea & Espinosa, 2002 (unaccepted > junior subjective synonym)
  149. Species Elysia setoensis Hamatani, 1968 accepted as Elysia atroviridis Baba, 1955
  150. Species Elysia splendens Baba, 1949 accepted as Thuridilla splendens (Baba, 1949) (original combination)
  151. Species Elysia splendida Grube, 1861 accepted as Thuridilla hopei (Vérany, 1853)
  152. Species Elysia tuca Ev. Marcus & Er. Marcus, 1967 accepted as Elysia velutinus Pruvot-Fol, 1947
  153. Species Elysia vataae Risbec, 1928 accepted as Thuridilla vataae (Risbec, 1928) (unaccepted > superseded combination)
  154. Species Elysia virgata (Bergh, 1888) accepted as Thuridilla virgata (Bergh, 1888)
marine, brackish
Risso, A. (1818). Mémoire sur quelques Gastropodes nouveaux, Nudibranches et Tectibranches observés dans la mer de Nice. <em>Journal de Physique, de Chimie, d'Histoire Naturelle et des Arts.</em> 87: 368-377., available online at http://biodiversitylibrary.org/page/6173832
page(s): 375 [details] 
Nomenclature The name Elysia was established in synonymy of Notarchus but it is available under ICZN Art. 11.6.1 because it was used as...  
Nomenclature The name Elysia was established in synonymy of Notarchus but it is available under ICZN Art. 11.6.1 because it was used as a valid name before 1960. [details]
MolluscaBase eds. (2026). MolluscaBase. Elysia Risso, 1818. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=137928 on 2026-06-11
Date
action
by
2004-12-21 15:54:05Z
created
2010-02-10 09:45:04Z
changed
2010-09-21 04:41:14Z
changed
2017-12-09 06:09:23Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description Risso, A. (1818). Mémoire sur quelques Gastropodes nouveaux, Nudibranches et Tectibranches observés dans la mer de Nice. <em>Journal de Physique, de Chimie, d'Histoire Naturelle et des Arts.</em> 87: 368-377., available online at http://biodiversitylibrary.org/page/6173832
page(s): 375 [details] 

original description (of Elysiella Bergh, 1871) Bergh, L. S. R. (1871). Malacologische Untersuchungen. <em>In: C. Semper (ed.) Reisen im Archipel der Philippinen, Wissenschaftliche Resultate.</em> Theil 1, Heft 2: 49-118, pls 9-16., available online at https://www.biodiversitylibrary.org/page/14451289
page(s): pl. 9 [details] 

original description (of Elysiobranchus Pruvot-Fol, 1930) Pruvot-Fol, A. (1930). Diagnoses provisoires (incomplètes) des espèces nouvelles et liste provisoire des mollusques nudibranches recueillis par Mme A. Pruvot-Fol en Nouvelle Cadédonie (Ile de Pins). <em>Bulletin du Muséum National d'Histoire Naturelle.</em> ser. 2, 2: 229-231., available online at https://biodiversitylibrary.org/page/52082519
page(s): 230 [details] Available for editors  PDF available [request]

original description (of Pattyclaya Ev. Marcus, 1982) Marcus, Ev. (1982). Systematics of the genera of the order Ascoglossa (Gastropoda. <em>Journal of Molluscan Studies).</em> 48, Suppl. 10: 1-31., available online at https://doi.org/10.1093/oxfordjournals.mollus.a065666
page(s): 17 [details] 

original description (of Tridachia Deshayes, 1857) Deshayes, G. P. (1857). Note sur différents Mollusques de la Guadeloupe, envoyés par M. Schramm. <em>Journal de Conchyliologie.</em> 6: 137-143., available online at http://biodiversitylibrary.org/page/15862662
page(s): 142 [details] 

original description (of Elysiella A. E. Verrill, 1872) Verrill, A. E. (1872). Brief contributions to zoölogy, from the Museum of Yale College. No. XX. Recent additions to the molluscan fauna of New England and the adjacent waters, with notes on other species. <em>American Journal of Science and Arts.</em> (3) 3 (15): 281-290; pl. 6-8., available online at http://biodiversitylibrary.org/page/36995471
page(s): 283-284 [details] OpenAccess publication

original description (of Actaeon Rang, 1829) Rang, S. (1829). <i>Manuel de l'histoire naturelle des mollusques et de leurs coquilles, ayant pour base de classification celle de M. le baron Cuvier.</i> Paris: Roret. iv + 390 pp., 8 pls. <em>Paris, 1829.</em> (330-361)., available online at https://www.biodiversitylibrary.org/page/43746452
page(s): 146 [details] 

original description (of Tridachiella MacFarland, 1924) MacFarland F.M. (1924). Opisthobranchiate Mollusca. XXV Expedition of the California Academy of Sciences to the Gulf of California in 1921. <em>Proceedings of the California Academy of Sciences.</em> ser. 4, 13: 389-420.
page(s): 405 [details] 

original description (of Pterogasteron Pease, 1860) Pease, W. H. (1860). Descriptions of new species of Mollusca from the Sandwich Islands. <em>Proceedings of the Zoological Society of London.</em> 28: 18-36; 141-148., available online at http://biodiversitylibrary.org/page/12866516
page(s): 35 [details] 

original description (of Thallepus Swainson, 1840) Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online at http://www.biodiversitylibrary.org/item/33450
page(s): 250, 359 [details] 

original description (of Checholysia Ortea, Caballer, Moro & Espinosa, 2005) Ortea J., Caballer M., Moro L. & Espinosa J. 2005. <i>Elysia papillosa</i> Verrill, 1901, <i>Elysia patina</i> Marcus, 1980 (Mollusca. Sacoglossa. Elysidae) dos nombres para cuatro especies. <i>Vieraea</i>, 33: 495-514
page(s): 512 [details] OpenAccess publication

original description (of Aplysiopterus Delle Chiaje, 1830) Delle Chiaje S. (1823-1831). Memorie sulla storia e notomia degli animali senza vertebre del regno di Napoli. <em>Napoli: Fratelli Fernandes (vol. 1), and Società Tipografica (vol. 2-4).</em> Vol. 1, pp. i-xii, 1-84 [1823], pp. 1-184 [1824]; vol. 2, pp. [1-4] + 185-224 [1825], pp. 225-444 [1826]; vol. 3, pp. i-xx, pp. 1-232 [1828]; vol. 4, pp. i-vii [1831], 1-116 [1830], pp. 117-214 [1831]; pl. 1-4; pl. 1-69 [date?], pl. 70-109 [1830][dates according to Sherborn, 1922]., available online at https://doi.org/10.5962/bhl.title.10021
page(s): vol. 4, p. 31 [details] 

original description (of Elysia (Elysiopterus) Pruvot-Fol, 1946) Pruvot-Fol, A. (1946). Révision critique des Elysiadae. <em>Journal de Conchyliologie.</em> 87(1): 29-44., available online at https://bibliotheques.mnhn.fr/EXPLOITATION/infodoc/digitalCollections/thumb.ashx?seid=MNHN_CONCH_1946_T087_N001&i=MNHN_CONCH_1946_T087_N001_0001.jpg&s=large#extension.jpg
page(s): 39 [details] Available for editors  PDF available [request]

original description (of Rhyzobranchus Cantraine, 1835) Cantraine, F. J. (1835). Diagnoses ou descriptions succinctes de quelques espèces nouvelles de mollusques. <em>Bulletins de l'Académie Royale des Sciences et Belles-Lettres de Bruxelles.</em> 2(11): 380-401., available online at https://www.biodiversitylibrary.org/page/2880681
page(s): 384 [details] OpenAccess publication

original description (of Hydropsyche Kelaart, 1858) Kelaart E.F. (1858). Description of new and little known species of Ceylon nudibranchiate molluscs, and zoophytes. <em>Journal of the Ceylon Branch of the Royal Asiatic Society.</em> 3 (9): 84-139. [May 1858]., available online at https://biodiversitylibrary.org/page/43940429
page(s): 107 [details] OpenAccess publication

basis of record Jensen, K.R. (2007). Biogeography of the Sacoglossa (Mollusca, Opisthobranchia). <em>Bonner Zoologische Beiträge.</em> 55: 255–281., available online at https://www.zobodat.at/pdf/Bonner-Zoologische-Beitraege_55_0255-0281.pdf [details] 

basis of record Krug P.J., Vendetti J.E. & Valdés Á. (2016). Molecular and morphological systematics of <i>Elysia</i> Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region. <em>Zootaxa.</em> 4148(1): 1-137., available online at https://doi.org/10.11646/zootaxa.4148.1.1 [details] Available for editors  PDF available [request]

Other

additional source Martín-Hervás, M. R., Carmona, L., Jensen, K. R., Krug, P. J., Vitale, F. & Cervera, J. L. (2024 [nomenclatural availability: 2023]). A global phylogeny of <i>Elysia</i> Risso, 1818 (Gastropoda: Heterobranchia): molecular systematic insights focusing on European taxa and description of a new species. <em>Zoological Journal of the Linnean Society.</em> 200(3): 670-689., available online at https://doi.org/10.1093/zoolinnean/zlad086 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Nomenclature The name Elysia was established in synonymy of Notarchus but it is available under ICZN Art. 11.6.1 because it was used as a valid name before 1960. [details]
    Definitions

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