1. Species Cerebratulus acutus Nardo, 1847
2. Species Cerebratulus aerugatus Bürger, 1892
3. Species Cerebratulus albifrons Coe, 1901
4. Species Cerebratulus albulus (Stimpson, 1857)
5. Species Cerebratulus alleni Wijnhoff, 1912
6. Species Cerebratulus anguillula Bürger, 1892
7. Species Cerebratulus angusticeps Hubrecht, 1887
8. Species Cerebratulus annellatus (Leuckart, 1849)
9. Species Cerebratulus antillensis Coe, 1901
10. Species Cerebratulus aracaensis Senz, 1997
11. Species Cerebratulus arnosus Takakura, 1898
12. Species Cerebratulus aureolus Bürger, 1892
13. Species Cerebratulus australis (Stimpson, 1857)
14. Species Cerebratulus barentsi Bürger, 1895
15. Species Cerebratulus bedfordii Punnett, 1900
16. Species Cerebratulus bicornis Joubin & François, 1892
17. Species Cerebratulus bivittatus Ulyanina, 1870
18. Species Cerebratulus brevis Ushakov, 1926
19. Species Cerebratulus brunneus Punnett, 1900
20. Species Cerebratulus caledonicus Joubin & François, 1892
21. Species Cerebratulus californiensis Coe, 1905
22. Species Cerebratulus cestoides Bürger, 1895
23. Species Cerebratulus chilensis Friedrich, 1970
24. Species Cerebratulus complanatus (Kölliker, 1845)
25. Species Cerebratulus croceus Grube, 1864
26. Species Cerebratulus darvelli Gibson, 1990
27. Species Cerebratulus eisigii Hubrecht, 1880
28. Species Cerebratulus epsilon Joubin, 1902
29. Species Cerebratulus erythrorochma Joubin, 1902
30. Species Cerebratulus erythrus Punnett, 1900
31. Species Cerebratulus ferrugineus Bürger, 1892
32. Species Cerebratulus fissuralis Friedrich, 1958
33. Species Cerebratulus flavifrons Grube, 1864
34. Species Cerebratulus formosus Iwata, 1957
35. Species Cerebratulus fuscoides Bürger, 1892
36. Species Cerebratulus fuscus (McIntosh, 1874)
37. Species Cerebratulus gamma Joubin, 1902
38. Species Cerebratulus gardineri Punnett, 1903
39. Species Cerebratulus gracilis Staub, 1900
40. Species Cerebratulus greenlandicus Punnett, 1901
41. Species Cerebratulus haddoni Punnett, 1900
42. Species Cerebratulus hepaticus Hubrecht, 1879
43. Species Cerebratulus herculeus Coe, 1901
44. Species Cerebratulus insignis Punnett, 1900
45. Species Cerebratulus ischurus Punnett, 1903
46. Species Cerebratulus johnstoni Wheeler, 1940
47. Species Cerebratulus joubini Bürger, 1895
48. Species Cerebratulus krempfi Joubin, 1904
49. Species Cerebratulus lacteus (Leidy, 1851)
50. Species Cerebratulus larseni Wheeler, 1934
51. Species Cerebratulus latistomachus Staub, 1900
52. Species Cerebratulus laureolus Staub, 1900
53. Species Cerebratulus leucopsis (Coe, 1901)
54. Species Cerebratulus liguricus Blanchard, 1849
55. Species Cerebratulus lineolatus Coe, 1905
56. Species Cerebratulus lividus Bürger, 1892
57. Species Cerebratulus longiceps Coe, 1901
58. Species Cerebratulus luteus Bürger, 1890
59. Species Cerebratulus macroren Hubrecht, 1887
60. Species Cerebratulus macrorrhochmus (Schmarda, 1859)
61. Species Cerebratulus macrostomus (Schmarda, 1859)
62. Species Cerebratulus maculatus Punnett, 1903
63. Species Cerebratulus magneticus Gibson, 1981
64. Species Cerebratulus maldivensis Punnett, 1903
65. Species Cerebratulus malvini Wheeler, 1934
66. Species Cerebratulus marginatus [Renier], [1804]
67. Species Cerebratulus medullatus Hubrecht, 1887
68. Species Cerebratulus melanops Coe & Kunkel, 1903
69. Species Cerebratulus melanorhynchus Bürger, 1895
70. Species Cerebratulus modestus Chapuis, 1886
71. Species Cerebratulus mordukhovichi Chernyshev & Polyakova, 2022
72. Species Cerebratulus multiporatus Punnett & Cooper, 1909
73. Species Cerebratulus niveus (Punnett, 1903)
74. Species Cerebratulus norvegicus Punnett, 1903
75. Species Cerebratulus notabilis Bürger, 1892
76. Species Cerebratulus occidentalis Coe, 1901
77. Species Cerebratulus oleaginus Stimpson, 1857
78. Species Cerebratulus orochi Kajihara, 2020
79. Species Cerebratulus pachyrhynchus (Schmarda, 1859)
80. Species Cerebratulus paludicolus Stimpson, 1857
81. Species Cerebratulus pantherinus Hubrecht, 1879
82. Species Cerebratulus parkeri Hubrecht, 1887
83. Species Cerebratulus profundifissus Staub, 1900
84. Species Cerebratulus pullus Bürger, 1890
85. Species Cerebratulus queenslandicus Punnett, 1900
86. Species Cerebratulus rigidus Isler, 1900
87. Species Cerebratulus robustus Punnett, 1900
88. Species Cerebratulus roseus (Delle Chiaje, 1841)
89. Species Cerebratulus rubellus (Stimpson, 1855)
90. Species Cerebratulus rubens Bürger, 1890
91. Species Cerebratulus ruber (Girard, 1853)
92. Species Cerebratulus signatus Coe, 1905
93. Species Cerebratulus simulans Bürger, 1892
94. Species Cerebratulus sinensis (Stimpson, 1855)
95. Species Cerebratulus sordidus Punnett, 1900
96. Species Cerebratulus spadix Bürger, 1890
97. Species Cerebratulus striolentus (Girard, 1853)
98. Species Cerebratulus subacutus (Stimpson, 1857)
99. Species Cerebratulus superniger Iwata, 1957
100. Species Cerebratulus tageae Corrêa, 1957
101. Species Cerebratulus theta Joubin, 1902
102. Species Cerebratulus tigrinus Bürger, 1890
103. Species Cerebratulus torresianus Punnett, 1900
104. Species Cerebratulus ulatiformius Punnett, 1900
105. Species Cerebratulus urticans (Müller, 1854)
106. Species Cerebratulus validus Bürger, 1893
107. Species Cerebratulus velatus Joubin, 1905
108. Species Cerebratulus ventriporis Friedrich, 1958
109. Species Cerebratulus ventrosulcatus Bürger, 1892
110. Species Cerebratulus ventrosulcatus Renier, 1804
111. Species Cerebratulus viridis Isler, 1900
112. Species Cerebratulus zebra Punnett & Cooper, 1909
113. Species Cerebratulus zeta Joubin, 1902
114. Species Cerebratulus acteus accepted as Cerebratulus lacteus (Leidy, 1851) (unaccepted > misspelling - incorrect subsequent spelling, Lapsus calami)
115. Species Cerebratulus acutus Bürger, 1892 accepted as Cerebratulus joubini Bürger, 1895 (junior homonym of Cerebratulus acutus Nardo, 1847)
116. Species Cerebratulus albocinctus Bergendal, 1903 accepted as Tenuilineus albocinctus (Bergendal, 1903) (synonym)
117. Species Cerebratulus albocirculus Iwata, 1957 accepted as Lineus albovittatus (Stimpson, 1855) accepted as Notospermus albovittatus (Stimpson, 1855) (Junior Synonym)
118. Species Cerebratulus albovittatus Stimpson, 1855 accepted as Notospermus albovittatus (Stimpson, 1855) (synonym)
119. Species Cerebratulus albo-vittatus (Stimpson, 1855) accepted as Notospermus albovittatus (Stimpson, 1855) (synonym)
120. Species Cerebratulus anas Joubin & François, 1892 accepted as Notospermus geniculatus (Delle Chiaje, 1822) (synonym)
121. Species Cerebratulus angulatus (Müller, 1774) accepted as Amphiporus angulatus (Müller, 1774)
122. Species Cerebratulus angulosus Haddon, 1886 accepted as Cerebratulus marginatus [Renier], [1804] (synonym)
123. Species Cerebratulus assimilis (Örsted, 1843) accepted as Paradrepanophorus crassus (Quatrefages, 1846) (unaccepted > junior subjective synonym)
124. Species Cerebratulus ater (Girard, 1851) sensu Stiasny-Wijnhoff, 1925 accepted as Dushia wijnhoffae Schwartz & Norenburg, 2019 (uncertain synonym)
125. Species Cerebratulus aurantiacus accepted as Leucocephalonemertes aurantiaca (Grube, 1855) (synonym)
126. Species Cerebratulus aurostriatus Bürger, 1890 accepted as Lineus aurostriatus (Bürger, 1890) (synonym)
127. Species Cerebratulus bellus Stimpson, 1857 accepted as Micrura bella (Stimpson, 1857) (unaccepted > superseded combination)
128. Species Cerebratulus bilineatus [Renier], [1804] accepted as Siphonenteron bilineatum Renier in Menighini, 1847 (unaccepted > unavailable name)
129. Species Cerebratulus boutani Joubin, 1893 accepted as Lineus boutani (Joubin, 1893) (synonym)
130. Species Cerebratulus charcoti Joubin, 1905 accepted as Parborlasia corrugata (McIntosh, 1876)
131. Species Cerebratulus cingulatus accepted as Lineus cingulatus (Stimpson, 1855) (synonym)
132. Species Cerebratulus coloratus Bürger, 1890 accepted as Lineus coloratus (Bürger, 1890) (synonym)
133. Species Cerebratulus corrugatus accepted as Parborlasia corrugata (McIntosh, 1876) (synonym)
134. Species Cerebratulus crassus Quatrefages, 1846 accepted as Paradrepanophorus crassus (Quatrefages, 1846) (unaccepted > superseded combination)
135. Species Cerebratulus crosslandi accepted as Lineus crosslandi Punnett & Cooper, 1909 (synonym)
136. Species Cerebratulus dellechiajei Hubrecht, 1879 accepted as Quasimicrura dellechiajei (Hubrecht, 1879) (unaccepted > superseded combination)
137. Species Cerebratulus delle-chiajei accepted as Micrura dellechiajei (Hubrecht, 1879) accepted as Quasimicrura dellechiajei (Hubrecht, 1879) (synonym)
138. Species Cerebratulus dohrnii Hubrecht, 1879 accepted as Lineus dohrnii (Hubrecht, 1879) (synonym)
139. Species Cerebratulus eisigi accepted as Cerebratulus eisigii Hubrecht, 1880 (synonym)
140. Species Cerebratulus fasciatus Stimpson, 1857 accepted as Notospermus geniculatus (Delle Chiaje, 1822) (Junior Synonym)
141. Species Cerebratulus fasciolatus accepted as Micrura fasciolata Ehrenberg, 1828 (synonym)
142. Species Cerebratulus fragilis (Goodsir, 1845) accepted as Cerebratulus marginatus [Renier], [1804] (unaccepted > junior subjective synonym)
143. Species Cerebratulus fuscescens accepted as Lineus ruber (Müller, 1774) (synonym)
144. Species Cerebratulus galbanus Bürger, 1890 accepted as Lineus galbanus (Bürger, 1890) (synonym)
145. Species Cerebratulus geniculatus (Delle Chiaje, 1822) accepted as Notospermus geniculatus (Delle Chiaje, 1822) (unaccepted > junior subjective synonym)
146. Species Cerebratulus glaucus Bürger, 1890 accepted as Lineus glaucus (Bürger, 1890) (synonym)
147. Species Cerebratulus grandis Jensen, 1878 accepted as Cerebratulus marginatus [Renier], [1804] (synonym)
148. Species Cerebratulus grubei Hubrecht, 1879 accepted as Lineus grubei (Hubrecht, 1879) (unaccepted > junior subjective synonym, synonym)
149. Species Cerebratulus hanseni accepted as Parborlasia corrugata (McIntosh, 1876) (synonym)
150. Species Cerebratulus hubrechti Langerhans, 1880 accepted as Lineus hubrechti (Langerhans, 1880) (synonym)
151. Species Cerebratulus impressus Stimpson, 1857 accepted as Micrura impressa (Stimpson, 1857) (synonym)
152. Species Cerebratulus ingens (Leidy, 1855) accepted as Cerebratulus lacteus (Leidy, 1851) (unaccepted > junior subjective synonym)
153. Species Cerebratulus knerii (Diesing, 1850) accepted as Notospermus geniculatus (Delle Chiaje, 1822) (unaccepted > junior subjective synonym)
154. Species Cerebratulus lactea (Leidy, 1855) accepted as Cerebratulus lacteus (Leidy, 1851) (unaccepted > incorrect grammatical agreement of specific epithet)
155. Species Cerebratulus latus Coe, 1905 accepted as Cerebratulus herculeus Coe, 1901 (synonym)
156. Species Cerebratulus leidyi sensu Coe, 1895 accepted as Fragilonemertes rosea (Leidy, 1851) (synonym)
157. Species Cerebratulus leidyi Verrill, 1892 accepted as Micrura leidyi (Verrill, 1892) (synonym)
158. Species Cerebratulus leidyi Verrille, 1892 accepted as Fragilonemertes rosea (Leidy, 1851) (synonym)
159. Species Cerebratulus longifissus Hubrecht, 1887 accepted as Heteronemertes longifissa (Hubrecht, 1887) (synonym)
160. Species Cerebratulus longifissus sensu Ushakov, 1928 accepted as Heteronemertes longifissa (Hubrecht, 1887) (unaccepted > misapplication)
161. Species Cerebratulus longifissus sensu Punnett, 1903 accepted as Heteronemertes longifissa (Hubrecht, 1887) (unaccepted > misapplication)
162. Species Cerebratulus luridus accepted as Tarrhomyos luridus (Verrill, 1873) (synonym)
163. Species Cerebratulus macrorhochmus accepted as Cerebratulus macrorrhochmus (Schmarda, 1859) (synonym)
164. Species Cerebratulus maculosus Verrill, 1895 accepted as Cerebratulus fuscus (McIntosh, 1874) (synonym)
165. Species Cerebratulus magelhaensicus Bürger, 1895 accepted as Parborlasia corrugata (McIntosh, 1876) (synonym)
166. Species Cerebratulus marginatus sensu Yamaoka, 1940 accepted as Cerebratulus orochi Kajihara, 2020 (Synonym)
167. Species Cerebratulus mcintoshii Langerhans, 1880 accepted as Evelineus mcintoshii (Langerhans, 1880) (synonym)
168. Species Cerebratulus medulatus accepted as Cerebratulus medullatus Hubrecht, 1887 (synonym)
169. Species Cerebratulus montgomery accepted as Kulikovia montgomeryi (Coe, 1901) (unaccepted > misspelling - incorrect subsequent spelling)
170. Species Cerebratulus montgomeryi Coe, 1901 accepted as Kulikovia montgomeryi (Coe, 1901) (Synonymy)
171. Species Cerebratulus natans Punnett, 1900 accepted as Cerebratulina natans (Punnett, 1900) (basionym)
172. Species Cerebratulus niger (Stimpson, 1855) accepted as Dushia nigra (Stimpson, 1855) (unaccepted > superseded combination)
173. Species Cerebratulus nigrofuscus Stimpson, 1857 accepted as Lineus nigrofuscus (Stimpson, 1857) (synonym)
174. Species Cerebratulus nigrus (Stimpson, 1855) accepted as Dushia nigra (Stimpson, 1855) (unaccepted > misspelling - incorrect subsequent spelling)
175. Species Cerebratulus oerstædtii (van Beneden, 1861) accepted as Lineus bilineatus (Renier, 1804) accepted as Siphonenteron bilineatum Renier in Menighini, 1847 (unaccepted > superseded combination)
176. Species Cerebratulus ommunis accepted as Cerebratulus communis Takakura, 1898 (synonym)
177. Species Cerebratulus praealbescens Cantell, 1982 accepted as Tarrhomyos praealbescens (Cantell, 1982) (unaccepted > superseded combination, synonym)
178. Species Cerebratulus psittacinus Bürger, 1890 accepted as Lineus psittacinus (Bürger, 1890) (synonym)
179. Species Cerebratulus purpureus (Dalyell, 1853) accepted as Micrura purpurea (Dalyell, 1853) (unaccepted > superseded combination)
180. Species Cerebratulus rubra accepted as Cerebratulus ruber (Girard, 1853) (unaccepted > incorrect grammatical agreement of specific epithet)
181. Species Cerebratulus simulaus accepted as Cerebratulus simulans Bürger, 1892 (synonym)
182. Species Cerebratulus spectabilis Quatrefages, 1846 accepted as Drepanophorus spectabilis (Quatrefages, 1846) (synonym)
183. Species Cerebratulus spraguei Girard, 1893 accepted as Cerebratulus marginatus [Renier], [1804] (synonym)
184. Species Cerebratulus steeneni Bürger, 1893 accepted as Parborlasia corrugata (McIntosh, 1876) (unaccepted > misspelling - incorrect subsequent spelling, lapsus calami?)
185. Species Cerebratulus steineni Bürger, 1893 accepted as Parborlasia corrugata (McIntosh, 1876) (unaccepted > junior subjective synonym)
186. Species Cerebratulus steinini (Bürger, 1893) accepted as Parborlasia corrugata (McIntosh, 1876) (unaccepted > misspelling - incorrect subsequent spelling, lapsus calami)
187. Species Cerebratulus striolenta (Gerard, 1853) accepted as Cerebratulus striolentus (Girard, 1853) (unaccepted > incorrect grammatical agreement of specific epithet)
188. Species Cerebratulus subtilis Bürger, 1893 accepted as Parborlasia corrugata (McIntosh, 1876) (synonym)
189. Species Cerebratulus taenia (Dalyell, 1853) accepted as Lineus bilineatus (Renier, 1804) accepted as Siphonenteron bilineatum Renier in Menighini, 1847 (unaccepted > superseded combination)
190. Species Cerebratulus tristis Hubrecht, 1879 accepted as Micrura tristis (Hubrecht, 1879) (synonym)
191. Species Cerebratulus truncatus Hubrecht, 1887 accepted as Lineus truncatus (Hubrecht, 1887) (synonym)
192. Species Cerebratulus ater Verrill, 1895 accepted as Dushia atra (Girard, 1851) sensu Girard, 1851 (uncertain > nomen dubium)
193. Species Cerebratulus bilineatus sensu Delle Chiaje, 1829 (uncertain > nomen dubium)
194. Species Cerebratulus borealis (Diesing, 1862) (uncertain > nomen dubium)
195. Species Cerebratulus communis Takakura, 1898 (uncertain > taxon inquirendum)
196. Species Cerebratulus depressus Quatrefages, 1846 (uncertain > nomen dubium)
197. Species Cerebratulus kowalewskii Zernov, 1913 (uncertain > nomen dubium)
198. Species Cerebratulus penniger Iwata, 1957 (uncertain > nomen dubium)
199. Species Cerebratulus viridis sensu Saint-Loup, 1887 (uncertain > taxon inquirendum, Lineus sp. according to Bürger (1904))
200. Species Cerebratulus zachsi Ushakov, 1926 (uncertain > nomen dubium)

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