1. Species Amaroucium accarense Millar, 1953 accepted as Aplidium accarense (Millar, 1953) (original combination)
2. Species Amaroucium adamsi (Brewin, 1946) accepted as Aplidium adamsi Brewin, 1946 (new combination)
3. Species Amaroucium aequalisiphonis Ritter & Forsyth, 1917 accepted as Ritterella aequalisiphonis (Ritter & Forsyth, 1917) (original combination)
4. Species Amaroucium agulhaense Hartmeyer, 1912 accepted as Aplidium agulhaense (Hartmeyer, 1912) (original combination)
5. Species Amaroucium albicans Milne Edwards, 1841 accepted as Aplidium albicans (Milne Edwards, 1841) (original combination)
6. Species Amaroucium altarium Sluiter, 1909 accepted as Aplidium altarium (Sluiter, 1909) (original combination)
7. Species Amaroucium anomalum Herdman, 1899 accepted as Euclavella claviformis (Herdman, 1899) (original combination)
8. Species Amaroucium antarcticum Herdman, 1910 accepted as Aplidium vastum (Sluiter, 1912) (original combination)
9. Species Amaroucium antarcticum Peres, 1952 accepted as Aplidium peresi Monniot F., 1970 (junior homonym)
10. Species Amaroucium antillense Gravier, 1955 accepted as Aplidium antillense (Gravier, 1955) (original combination)
11. Species Amaroucium arenatum Van Name, 1945 accepted as Aplidium arenatum (Van Name, 1945) (original combination)
12. Species Amaroucium areolata (Delle Chiaje, 1828) accepted as Aplidium areolatum (Delle Chiaje, 1828) (literature misspelling)
13. Species Amaroucium areolatum (Delle Chiaje, 1828) accepted as Aplidium areolatum (Delle Chiaje, 1828) (new combination)
14. Species Amaroucium argus Milne Edwards, 1841 accepted as Morchellium argus (Milne Edwards, 1841) (original combination)
15. Species Amaroucium astraeoides Sluiter, 1898 accepted as Aplidium flavolineatum (Sluiter, 1898) (original combination)
16. Species Amaroucium aurorae Harant & Vernières, 1938 accepted as Aplidium aurorae (Harant & Vernières, 1938) (original combination)
17. Species Amaroucium benhami (Brewin, 1946) accepted as Aplidium benhami (Brewin, 1946) (new combination)
18. Species Amaroucium bermudae Van Name, 1902 accepted as Aplidium bermudae (Van Name, 1902) (original combination)
19. Species Amaroucium brementi Harant, 1925 accepted as Aplidium brementi (Harant, 1925) (original combination)
20. Species Amaroucium caeruleum Sluiter, 1906 accepted as Aplidium cyaneum Monniot C. & Monniot F., 1983 (homonym)
21. Species Amaroucium caliculatum Savigny, 1816 accepted as Aplidium conicum (Olivi, 1792) (original combination)
22. Species Amaroucium californicum Ritter & Forsyth, 1917 accepted as Aplidium californicum (Ritter & Forsyth, 1917) (original combination)
23. Species Amaroucium circulatum Hartmeyer, 1912 accepted as Aplidium circulatum (Hartmeyer, 1912) (original combination)
24. Species Amaroucium circumvolutum (Sluiter, 1900) accepted as Aplidium circumvolutum (Sluiter, 1900) (new combination)
25. Species Amaroucium claviforme (Hartmeyer, 1912) accepted as Aplidium claviforme Hartmeyer, 1912 (new combination)
26. Species Amaroucium coei Ritter, 1901 accepted as Aplidium coei (Ritter, 1901) (original combination)
27. Species Amaroucium colelloides Herdman, 1886 accepted as Aplidium colelloides (Herdman, 1886) (original combination)
28. Species Amaroucium colleloides Herdman, 1886 accepted as Aplidium colelloides (Herdman, 1886) (literature misspelling)
29. Species Amaroucium conicum (Olivi, 1792) accepted as Aplidium conicum (Olivi, 1792) (new combination)
30. Species Amaroucium constellatum Verrill, 1871 accepted as Aplidium constellatum (Verrill, 1871) (original combination)
31. Species Amaroucium constrictum Sluiter, 1900 accepted as Aplidium constrictum (Sluiter, 1900) (original combination)
32. Species Amaroucium cottrelli Brewin, 1957 accepted as Aplidium cottrelli (Brewin, 1957) (original combination)
33. Species Amaroucium crateriferum Sluiter, 1909 accepted as Aplidium crateriferum (Sluiter, 1909) (original combination)
34. Species Amaroucium dakarensis Peres, 1948 accepted as Aplidium dakarensis (Peres, 1948) (original combination)
35. Species Amaroucium densum Giard, 1872 accepted as Aplidium densum (Giard, 1872) (original combination)
36. Species Amaroucium diaphanum (Drasche, 1883) accepted as Aplidium diaphanum (Drasche, 1883) (new combination)
37. Species Amaroucium disiphonium Beniaminson, 1975 accepted as Aplidium disiphonium (Beniaminson, 1975) (original combination)
38. Species Amaroucium distomoides Herdman, 1899 accepted as Hypsistozoa distomoides (Herdman, 1899) (original combination)
39. Species Amaroucium distomoides Herdman, 1898 accepted as Hypsistozoa distomoides (Herdman, 1899) (unaccepted > nomen nudum)
40. Species Amaroucium dubium Ritter, 1899 accepted as Aplidium dubium (Ritter, 1899) (original combination)
41. Species Amaroucium erythraeum Michaelsen, 1919 accepted as Aplidium erythraeum (Michaelsen, 1919) (original combination)
42. Species Amaroucium exile Van Name, 1902 accepted as Aplidium exile (Van Name, 1902) (original combination)
43. Species Amaroucium ficus Alder & Hancock, 1912 accepted as Synoicum pulmonaria (Ellis & Solander, 1786) (original combination)
44. Species Amaroucium flavolineatum Sluiter, 1898 accepted as Aplidium flavolineatum (Sluiter, 1898) (original combination)
45. Species Amaroucium foliaceum (Sluiter, 1900) accepted as Aplidium foliaceum (Sluiter, 1900) (new combination)
46. Species Amaroucium fragile Redikorzev, 1927 accepted as Aplidium redikorzevi Sanamyan & Sanamyan, 2011 (original combination)
47. Species Amaroucium fuegense (Cunningham, 1871) accepted as Aplidium fuegiense (Cunningham, 1871) (literature misspelling)
48. Species Amaroucium fuegiense (Cunningham, 1871) accepted as Aplidium fuegiense (Cunningham, 1871) (new combination)
49. Species Amaroucium funginum (Sluiter, 1898) accepted as Aplidium funginum (Sluiter, 1898) (new combination)
50. Species Amaroucium fuscum Drasche, 1883 accepted as Aplidium fuscum Drasche, 1883 (original combination)
51. Species Amaroucium galeritum Hartmeyer, 1912 accepted as Aplidium galeritum (Hartmeyer, 1912) (original combination)
52. Species Amaroucium gelatinosum Medioni, 1970 accepted as Aplidium gelatinosum (Medioni, 1970) (original combination)
53. Species Amaroucium glabrum Verrill, 1871 accepted as Aplidium glabrum (Verrill, 1871) (original combination)
54. Species Amaroucium globosum Herdman, 1886 accepted as Aplidium globosum (Herdman, 1886) (original combination)
55. Species Amaroucium haouarianum Pérès, 1956 accepted as Aplidium haouarianum (Pérès, 1956) (original combination)
56. Species Amaroucium hyalinum Pérès, 1956 accepted as Aplidium hyalinum (Pérès, 1956) (original combination)
57. Species Amaroucium incrustatum Sars, 1851 accepted as Synoicum incrustatum (Sars, 1851) (original combination)
58. Species Amaroucium inversum Pérès, 1959 accepted as Aplidium inversum (Pérès, 1959) (new combination)
59. Species Amaroucium irregulare Herdman, 1886 accepted as Aplidium irregulare (Herdman, 1886) (original combination)
60. Species Amaroucium japonicum Tokioka, 1949 accepted as Aplidium japonicum (Tokioka, 1949) (original combination)
61. Species Amaroucium kincaidi Ritter, 1899 accepted as Synoicum jordani (Ritter, 1899) (original combination)
62. Species Amaroucium kinkaidi Ritter, 1899 accepted as Synoicum jordani (Ritter, 1899) (literature misspelling)
63. Species Amaroucium knoxi Brewin, 1956 accepted as Aplidium knoxi (Brewin, 1956) (original combination)
64. Species Amaroucium kurilense Beniaminson, 1974 accepted as Aplidium kurilense (Beniaminson, 1974) (original combination)
65. Species Amaroucium laevigatum Herdman, 1886 accepted as Aplidium fuegiense (Cunningham, 1871) (original combination)
66. Species Amaroucium lobatum (Savigny, 1816) accepted as Aplidium lobatum Savigny, 1816 (new combination)
67. Species Amaroucium longicaudatum Sluiter, 1912 accepted as Aplidium fuegiense (Cunningham, 1871) (original combination)
68. Species Amaroucium loricatum Harant & Vernières, 1938 accepted as Aplidium loricatum (Harant & Vernières, 1938) (original combination)
69. Species Amaroucium lubricum Sluiter, 1898 accepted as Aplidium lubricum (Sluiter, 1898) (original combination)
70. Species Amaroucium marchei Monniot F., 1969 accepted as Aplidium marchei (Monniot F., 1969) (original combination)
71. Species Amaroucium maritimum Brewin, 1958 accepted as Aplidium maritimum (Brewin, 1958) (original combination)
72. Species Amaroucium maroccanum (Sluiter, 1927) accepted as Aplidium maroccanum (Sluiter, 1927)
73. Species Amaroucium meridianum Sluiter, 1906 accepted as Aplidium meridianum (Sluiter, 1906) (original combination)
74. Species Amaroucium mernooensis Brewin, 1956 accepted as Aplidium mernooensis (Brewin, 1956) (original combination)
75. Species Amaroucium multiplicatum (Sluiter, 1909) accepted as Aplidium multiplicatum Sluiter, 1909 (new combination)
76. Species Amaroucium mutabile Sars, 1851 accepted as Aplidium mutabile (Sars, 1851) (original combination)
77. Species Amaroucium nadaense Nishikawa, 1980 accepted as Aplidium nadaense (Nishikawa, 1980) (original combination)
78. Species Amaroucium nordmani Milne Edwards, 1841 accepted as Aplidium nordmanni (Milne Edwards, 1841) (misspelling)
79. Species Amaroucium nordmanni Milne Edwards, 1841 accepted as Aplidium nordmanni (Milne Edwards, 1841) (original combination)
80. Species Amaroucium notti Brewin, 1951 accepted as Aplidium nottii (Brewin, 1951) (misspelling)
81. Species Amaroucium nottii Brewin, 1951 accepted as Aplidium nottii (Brewin, 1951) (original combination)
82. Species Amaroucium oamaruensis Brewin, 1950 accepted as Aplidium oamaruensis (Brewin, 1950) (original combination)
83. Species Amaroucium obesum (Sluiter, 1898) accepted as Aplidium pantherinum (Sluiter, 1898) (new combination)
84. Species Amaroucium oculatum Beniaminson, 1974 accepted as Aplidium pliciferum (Redikorzev, 1927) (original combination)
85. Species Amaroucium ordinatum (Sluiter, 1906) accepted as Aplidium ordinatum (Sluiter, 1906) (new combination)
86. Species Amaroucium pallidulum Herdman, 1886 accepted as Aplidium irregulare (Herdman, 1886) (original combination)
87. Species Amaroucium pallidum Verrill, 1871 accepted as Aplidium pallidum (Verrill, 1871) (original combination)
88. Species Amaroucium pantherinum (Sluiter, 1898) accepted as Aplidium pantherinum (Sluiter, 1898) (new combination)
89. Species Amaroucium papillosum Alder & Hancock, 1912 accepted as Aplidium proliferum (Milne Edwards, 1841) (original combination)
90. Species Amaroucium pellucidum (Leidy, 1855) accepted as Aplidium pellucidum (Leidy, 1855) (new combination)
91. Species Amaroucium phortax Michaelsen, 1924 accepted as Aplidium phortax (Michaelsen, 1924) (original combination)
92. Species Amaroucium picardi Peres, 1954 accepted as Aplidium conicum (Olivi, 1792) (original combination)
93. Species Amaroucium pliciferum Redikorzev, 1927 accepted as Aplidium pliciferum (Redikorzev, 1927) (original combination)
94. Species Amaroucium polybunum Redikorzev, 1927 accepted as Aplidium polybunum (Redikorzev, 1927) (original combination)
95. Species Amaroucium pomum Sars, 1851 accepted as Synoicum pulmonaria (Ellis & Solander, 1786) (original combination)
96. Species Amaroucium powelli Brewin, 1958 accepted as Aplidium powelli (Brewin, 1958) (original combination)
97. Species Amaroucium pribilovense Ritter, 1899 accepted as Synoicum jordani (Ritter, 1899) (original combination)
98. Species Amaroucium profundum Sluiter, 1909 accepted as Aplidium profundum (Sluiter, 1909) (original combination)
99. Species Amaroucium proliferum Milne Edwards, 1841 accepted as Aplidium proliferum (Milne Edwards, 1841) (original combination)
100. Species Amaroucium propinquum Van Name, 1945 (unaccepted, original combination)
101. Species Amaroucium protectans Herdman, 1899 (unaccepted, original combination)
102. Species Amaroucium pseudolobatum Peres, 1956 (unaccepted, original combination)
103. Species Amaroucium punctum Giard, 1873 (unaccepted, original combination)
104. Species Amaroucium radiatum (Sluiter, 1906) (unaccepted, new combination)
105. Species Amaroucium recumbens Herdman, 1886 (unaccepted, original combination)
106. Species Amaroucium ritteri Sluiter, 1895 (unaccepted, original combination)
107. Species Amaroucium roseum Oka, 1927 (unaccepted > nomen nudum)
108. Species Amaroucium rubrum Tokioka, 1962 (unaccepted, original combination)
109. Species Amaroucium sagamiense Tokioka, 1967 (unaccepted, original combination)
110. Species Amaroucium sarsi Bjerkan, 1908 (unaccepted, original combination)
111. Species Amaroucium scabellum Michaelsen, 1924 (unaccepted, original combination)
112. Species Amaroucium simplex Sluiter, 1898 (unaccepted, original combination)
113. Species Amaroucium siphonum Brewin, 1956 (unaccepted, original combination)
114. Species Amaroucium snodgrassi Ritter, 1899 (unaccepted, original combination)
115. Species Amaroucium snoidgrassi (Ritter, 1899) (unaccepted, synonym)
116. Species Amaroucium soldatovi Redikorzev, 1937 (unaccepted, original combination)
117. Species Amaroucium solidum Ritter & Forsyth, 1917 (unaccepted, secondary homonym - current genus not assigned)
118. Species Amaroucium spauldingi (Ritter, 1907) (unaccepted, new combination)
119. Species Amaroucium spitzbergense (Hartmeyer, 1903) (unaccepted, new combination)
120. Species Amaroucium steineni (Michaelsen, 1907) (unaccepted, new combination)
121. Species Amaroucium stellatum Verrill, 1871 (unaccepted, original combination)
122. Species Amaroucium stelliferum (Sluiter, 1900) (unaccepted, new combination)
123. Species Amaroucium strandi Redikorzev, 1937 (unaccepted, original combination)
124. Species Amaroucium takii Tokioka, 1959 (unaccepted, original combination)
125. Species Amaroucium tenuicaudum Beniaminson, 1974 (unaccepted, original combination)
126. Species Amaroucium translucidum Ritter, 1901 (unaccepted, original combination)
127. Species Amaroucium unilarviferum Millar, 1955 (unaccepted, original combination)
128. Species Amaroucium variabe Herdman, 1886 (unaccepted, literature misspelling)
129. Species Amaroucium variabile Herdman, 1886 (unaccepted, original combination)
130. Species Amaroucium vastum Sluiter, 1912 (unaccepted, original combination)
131. Species Amaroucium vinogradovae Beniaminson, 1974 (unaccepted, original combination)
132. Species Amaroucium violaceum Hartmeyer, 1912 (unaccepted, original combination)
133. Species Amaroucium yamazii (Tokioka, 1949) (unaccepted, new combination)
134. Species Amaroucium rotundatum Herdman, 1899 (uncertain > nomen dubium)

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