1. Subgenus Ophiura (Aspidura) von Hagenow, 1840
   1. Species Ophiura (Aspidura) subcylindrica von Hagenow, 1840 † accepted as Ophiomusium granulosum (Roemer, 1840) †
2. Subgenus Ophiura (Dictenophiura) H.L. Clark, 1923
   1. Species Ophiura (Dictenophiura) anoidea H.L. Clark, 1923
   2. Species Ophiura (Dictenophiura) caledonica (Koehler, 1907)
   3. Species Ophiura (Dictenophiura) carnea Lütken, 1858
   4. Species Ophiura (Dictenophiura) ctenophora H.L. Clark, 1909
   5. Species Ophiura (Dictenophiura) platyacantha McKnight, 2003
   6. Species Ophiura (Dictenophiura) squamosa Baker, 1979
   7. Species Ophiura (Dictenophiura) stellata (Studer, 1882)
   8. Species Ophiura (Dictenophiura) kinbergi (Ljungman, 1866) accepted as Ophiuroglypha kinbergi (Ljungman, 1866)
   9. Species Ophiura (Dictenophiura) micracantha H.L. Clark, 1911 represented as Ophiura micracantha H.L. Clark, 1911
   10. Species Ophiura (Dictenophiura) ooplax (H.L. Clark, 1911) represented as Ophiura ooplax (H.L. Clark, 1911)
3. Subgenus Ophiura (Ophioglypha) Lyman, 1860 †
   1. Species Ophiura (Ophioglypha) estarensis Barbier, Debelmas & Latreille, 1957 † (uncertain > nomen dubium, type specimen indeterminable)
4. Subgenus Ophiura (Ophiura) Lamarck, 1801
   1. Species Ophiura (Ophiura) mundata (Koehler, 1906)
   2. Species Ophiura (Ophiura) nana (Lütken & Mortensen, 1899)
   3. Species Ophiura (Ophiura) scutellata (Lütken & Mortensen, 1899)
   4. Species Ophiura (Ophiura) spinicantha McKnight, 2003
   5. Species Ophiura (Ophiura) trimeni Bell, 1905
   6. Species Ophiura (Ophiura) divisa (Lütken & Mortensen, 1899) accepted as Ophioplinthus divisa (Lütken & Mortensen, 1899) (synonym)
   7. Species Ophiura (Ophiura) scomba Paterson, 1985 accepted as Ophiuroglypha scomba (Paterson, 1985) (transferred by Stöhr & O'Hara (2021))
   8. Species Ophiura (Ophiura) spinacantha McKnight, 2003 accepted as Ophiura (Ophiura) spinicantha McKnight, 2003 (spelling variation)
5. Species Ophiura acervata (Lyman, 1869)
6. Species Ophiura achatae Rasmussen, 1972 †
7. Species Ophiura aequalis (Lyman, 1878)
8. Species Ophiura albata (Lyman, 1878)
9. Species Ophiura albida Forbes, 1839
10. Species Ophiura amphitrites (Bell, 1888)
11. Species Ophiura atacta H.L. Clark, 1911
12. Species Ophiura bartonensis Rasmussen, 1972 †
13. Species Ophiura bathybia H.L. Clark, 1911
14. Species Ophiura bognoriensis Rasmussen, 1972 †
15. Species Ophiura bridgerensis (Meek, 1873) †
16. Species Ophiura calyptolepis H.L. Clark, 1911
17. Species Ophiura carpelloides Rasmussen, 1972 †
18. Species Ophiura costata Rasmussen, 1972 †
19. Species Ophiura crassa Mortensen, 1936
20. Species Ophiura cryptolepis H.L. Clark, 1911
21. Species Ophiura davisi Rasmussen, 1972 †
22. Species Ophiura falcifera (Lyman, 1869)
23. Species Ophiura fallax Cherbonnier, 1959
24. Species Ophiura flagellata (Lyman, 1878)
25. Species Ophiura flexibilis (Koehler, 1911)
26. Species Ophiura floscellata Hertz, 1927
27. Species Ophiura fluctuans Koehler, 1922
28. Species Ophiura fraterna (Lyman, 1878)
29. Species Ophiura furiae Rasmussen, 1972 †
30. Species Ophiura gagara Djakonov, 1949
31. Species Ophiura graysonensis (Alexander, 1931) †
32. Species Ophiura grubei Heller, 1863
33. Species Ophiura hendleri Blake & Aronson, 1998 †
34. Species Ophiura imbecillis (Lyman, 1878)
35. Species Ophiura imprudens (Koehler, 1906)
36. Species Ophiura indica (Brock, 1888)
37. Species Ophiura innoxia (Koehler, 1906)
38. Species Ophiura kofoidi McClendon, 1909
39. Species Ophiura lanceolata H.L. Clark, 1939
40. Species Ophiura lenticularis (Koehler, 1907)
41. Species Ophiura leptoctenia H.L. Clark, 1911
42. Species Ophiura lienosa (Lyman, 1878)
43. Species Ophiura ljungmani (Lyman, 1878)
44. Species Ophiura luetkenii (Lyman, 1860)
45. Species Ophiura maculata (Ludwig, 1886)
46. Species Ophiura micracantha H.L. Clark, 1911
47. Species Ophiura mimaria (Koehler, 1907)
48. Species Ophiura mitescens Koehler, 1922
49. Species Ophiura monostoecha H.L. Clark, 1911
50. Species Ophiura nitida Mortensen, 1933
51. Species Ophiura ooplax (H.L. Clark, 1911)
52. Species Ophiura ophiura (Linnaeus, 1758)
53. Species Ophiura palliata (Lyman, 1878)
54. Species Ophiura parviformis Küpper, 1954 †
55. Species Ophiura paucilepis Stöhr, Jagt & Klompmaker, 2011 †
56. Species Ophiura paucisquama Matsumoto, 1917
57. Species Ophiura podica (Koehler, 1910)
58. Species Ophiura pohangensis Ishida, Thuy, Nam, Martynov, Fujita & Kim, 2022 †
59. Species Ophiura pteracantha Liao, 1982
60. Species Ophiura quadrispina H.L. Clark, 1911
61. Species Ophiura robusta (Ayres, 1852)
62. Species Ophiura rouchi (Koehler, 1912)
63. Species Ophiura sarsii Lütken, 1855
64. Species Ophiura saurura (Verrill, 1894)
65. Species Ophiura stenobrachia H.L. Clark, 1917
66. Species Ophiura sternbergica Kutscher, 1981 †
67. Species Ophiura straini Cornell, Lemone & Norland, 1991 †
68. Species Ophiura tankardi Thuy, Nungesser & Numberger-Thuy, 2022 †
69. Species Ophiura tenera (Lyman, 1883)
70. Species Ophiura texana (Clark, 1893) †
71. Species Ophiura tinurtiensis Valette, 1929 †
72. Species Ophiura travisana Berry, 1941 †
73. Species Ophiura umitakamaruae Seno & Irimura, 1968
74. Species Ophiura undulata (Lyman, 1878)
75. Species Ophiura utahensis (Clark in Clark & Twitchell, 1915) †
76. Species Ophiura verrucosa (Studer, 1876)
77. Species Ophiura vindobonensis Küpper, 1954 †
78. Species Ophiura violainae (Cherbonnier & Sibuet, 1972)
79. Species Ophiura wetherelli (Forbes, 1852) †
80. Species Ophiura zebra Djakonov, 1954
81. Subgenus Ophiura (Ophiuroglypha) Hertz, 1927 accepted as Ophiuroglypha Hertz, 1927 (restored to genus level by O'Hara et al. (2018) )
    1. Species Ophiura (Ophiuroglypha) aequatoris (Hertz, 1927) accepted as Ophiuroglypha aequatoris Hertz, 1927 (restored to genus level by O'Hara et al. (2018) )
    2. Species Ophiura (Ophiuroglypha) ambigua (Lyman, 1878) accepted as Ophiuroglypha ambigua (Lyman, 1878)
    3. Species Ophiura (Ophiuroglypha) arntzi Manso, 2010 accepted as Ophiuroglypha arntzi (Manso, 2010) (raised to genus level by O'Hara et al. (2018) )
    4. Species Ophiura (Ophiuroglypha) brevispina (E. A. Smith, 1876) accepted as Ophiura (Ophiuroglypha) brevispinosa (H.L. Clark, 1915) accepted as Ophiuroglypha brevispinosa (H.L. Clark, 1915) (homonym of O. brevispina Say, 1825)
    5. Species Ophiura (Ophiuroglypha) brevispinosa (H.L. Clark, 1915) accepted as Ophiuroglypha brevispinosa (H.L. Clark, 1915) (raised to genus level by O'Hara et al. (2018) )
    6. Species Ophiura (Ophiuroglypha) capensis (Bell, 1905) accepted as Ophiura (Ophiuroglypha) costata costata (Lyman, 1878) accepted as Ophiuroglypha costata (Lyman, 1878) (synonym acc. to H.L. Clark (1923))
    7. Species Ophiura (Ophiuroglypha) carinifera (Koehler, 1901) accepted as Ophiuroglypha carinifera (Koehler, 1901) (raised to genus level by O'Hara et al. (2018) )
    8. Species Ophiura (Ophiuroglypha) clemens (Koehler, 1904) accepted as Ophiuroglypha clemens (Koehler, 1904) (Subgenus raised to genus by O'Hara et al. (2018))
    9. Species Ophiura (Ophiuroglypha) concreta (Koehler, 1901) accepted as Ophiura (Ophiuroglypha) irrorata concreta (Koehler, 1901) accepted as Ophiuroglypha irrorata concreta (Koehler, 1901)
    10. Species Ophiura (Ophiuroglypha) costata (Lyman, 1878) accepted as Ophiuroglypha costata (Lyman, 1878)
    11. Species Ophiura (Ophiuroglypha) euryplax (H.L. Clark, 1939) accepted as Ophiuroglypha euryplax (H.L. Clark, 1939) (raised to genus level by O'Hara et al. (2018) )
    12. Species Ophiura (Ophiuroglypha) glypta (H.L. Clark, 1939) accepted as Ophioplinthus glypta (H.L. Clark, 1939) (synonym)
    13. Species Ophiura (Ophiuroglypha) intorta (Lyman, 1878) accepted as Ophioplinthus intorta (Lyman, 1878) (synonym)
    14. Species Ophiura (Ophiuroglypha) irrorata (Lyman, 1878) accepted as Ophiuroglypha irrorata (Lyman, 1878) represented as Ophiuroglypha irrorata irrorata (Lyman, 1878)
    15. Species Ophiura (Ophiuroglypha) jejuna (Lyman, 1878) accepted as Ophiuroglypha jejuna (Lyman, 1878) (raised to genus level by O'Hara et al. (2018) )
    16. Species Ophiura (Ophiuroglypha) kinbergi Ljungman, 1866 accepted as Ophiuroglypha kinbergi (Ljungman, 1866) (raised to genus level by O'Hara et al. (2018) )
    17. Species Ophiura (Ophiuroglypha) lymani (Ljungman, 1871) accepted as Ophiuroglypha lymani (Ljungman, 1871) (restored to genus level by O'Hara et al. (2018) )
    18. Species Ophiura (Ophiuroglypha) mundata (Koehler, 1906) accepted as Ophiura (Ophiura) mundata (Koehler, 1906) (acc. to Paterson (1985))
    19. Species Ophiura (Ophiuroglypha) rugosa (Lyman, 1878) accepted as Ophiuroglypha rugosa (Lyman, 1878) (raised to genus level by O'Hara et al. 2018)
    20. Species Ophiura (Ophiuroglypha) schmidtotti (Hertz, 1927) accepted as Ophiuroglypha schmidtotti Hertz, 1927 (restored to genus level by O'Hara et al. (2018) )
    21. Species Ophiura (Ophiuroglypha) tumida Mortensen, 1933 accepted as Ophiura (Ophiuroglypha) costata tumida Mortensen, 1933 accepted as Ophiuroglypha tumida (Mortensen, 1933)
    22. Species Ophiura (Ophiuroglypha) verrucosa McKnight, 2003 accepted as Ophiuroglypha verrucosa (McKnight, 2003) (junior homonym of Ophiura verrucosa (Studer, 1876), but subgenus raised to genus by O'Hara et al. (2018))
82. Species Ophiura abyssicola Forbes, 1843 accepted as Ophiocten abyssicolum (Forbes, 1843)
83. Species Ophiura affinis Lütken, 1858 accepted as Ophiocten affinis (Lütken, 1858) (synonym)
84. Species Ophiura africana (Koehler, 1923) accepted as Ophiura grubei Heller, 1863
85. Species Ophiura ambigua (Lyman, 1878) accepted as Ophiuroglypha ambigua (Lyman, 1878)
86. Species Ophiura amitina (Lyman, 1878) accepted as Ophiocten amitinum Lyman, 1878
87. Species Ophiura anceps (Koehler, 1908) accepted as Ophioplinthus anceps (Koehler, 1908) (synonym)
88. Species Ophiura angulata Say, 1825 accepted as Ophiothrix (Ophiothrix) angulata (Say, 1825)
89. Species Ophiura annulosa Lamarck, 1816 accepted as Ophiomastix annulosa (Lamarck, 1816)
90. Species Ophiura annulosa de Blainville, 1834 accepted as Ophiolepis superba H.L. Clark, 1915 (homonym)
91. Species Ophiura appressa Say, 1825 accepted as Ophioderma appressum (Say, 1825)
92. Species Ophiura arctica Lütken, 1855 accepted as Ophiura sarsii Lütken, 1855 (synonym acc. to H.L. Clark (1915))
93. Species Ophiura astonensis Hess, 1964 † accepted as Ophiotardis astonensis (Hess, 1964) †
94. Species Ophiura aurantiaca (Verrill, 1882) accepted as Ophiopleura inermis (Lyman, 1878) (synonym)
95. Species Ophiura aurora Risso, 1826 accepted as Ophiura ophiura (Linnaeus, 1758) (synonym)
96. Species Ophiura bellis Fleming, 1828 accepted as Ophiopholis aculeata (Linnaeus, 1767)
97. Species Ophiura brachiactis H.L. Clark, 1911 accepted as Stegophiura brachyactis (H.L. Clark, 1911)
98. Species Ophiura brachiata (Montagu, 1804) accepted as Acrocnida brachiata (Montagu, 1804)
99. Species Ophiura brachyactis H.L. Clark, 1911 accepted as Stegophiura brachyactis (H.L. Clark, 1911)
100. Species Ophiura bracteata Johnston, 1835 accepted as Ophiura ophiura (Linnaeus, 1758) (synonym)
101. Species Ophiura brevicauda Lyman (unaccepted > nomen nudum)
102. Species Ophiura brevispina Say, 1825 accepted as Ophioderma brevispinum (Say, 1825)
103. Species Ophiura brevispinosa H.L. Clark, 1915 accepted as Ophiuroglypha brevispinosa (H.L. Clark, 1915) (Considered in subgenus Ophiuroglypha, which has been raised to genus level)
104. Species Ophiura brevispinum Say, 1825 accepted as Ophioderma brevispina (Say, 1825) accepted as Ophioderma brevispinum (Say, 1825)
105. Species Ophiura capensis (Bell, 1905) accepted as Ophiuroglypha capensis (Bell, 1905) accepted as Ophiuroglypha costata (Lyman, 1878)
106. Species Ophiura carinata (Koehler, 1900) accepted as Ophiura (Ophiuroglypha) carinifera (Koehler, 1901) accepted as Ophiuroglypha carinifera (Koehler, 1901)
107. Species Ophiura carinata v. Münster in Goldfuss, 1833 † accepted as Geocoma carinata (v. Münster in Goldfuss, 1833) †
108. Species Ophiura chathamensis Fell, 1952 accepted as Ophiura ooplax (H.L. Clark, 1911)
109. Species Ophiura ciliaris Lamarck, 1816 accepted as Ophiothrix (Ophiothrix) ciliaris (Lamarck, 1816)
110. Species Ophiura ciliaris (Linnaeus, 1766) accepted as Ophiura ophiura (Linnaeus, 1758) (junior synonym by priority rule)
111. Species Ophiura ciliata (Retzius, 1783) non (O.F. Müller, 1776) accepted as Ophiura ophiura (Linnaeus, 1758) (unaccepted > junior subjective synonym, synonym)
112. Species Ophiura cinerea (Müller & Troschel, 1842) accepted as Ophioderma cinerea Müller & Troschel, 1842 accepted as Ophioderma cinereum Müller & Troschel, 1842
113. Species Ophiura clasta H.L. Clark, 1911 accepted as Ophioplinthus clasta (H.L. Clark, 1911) (synonym)
114. Species Ophiura clemens (Koehler, 1904) accepted as Ophiuroglypha clemens (Koehler, 1904) (transferred to Ophiuroglypha by Manso (2010))
115. Species Ophiura concreta (Koehler, 1901) accepted as Ophiura (Ophiuroglypha) irrorata concreta (Koehler, 1901) accepted as Ophiuroglypha irrorata concreta (Koehler, 1901) (Reduced to subspecies)
116. Species Ophiura coriacea Lütken, 1855 accepted as Ophiura sarsii Lütken, 1855 (synonymized by Lyman (1882))
117. Species Ophiura costata (Lyman, 1878) accepted as Ophiuroglypha costata (Lyman, 1878)
118. Species Ophiura crassispina Say, 1825 accepted as Ophiocoma echinata (Lamarck, 1816) (synonym)
119. Species Ophiura cylindrica Hutton, 1872 accepted as Ophiopeza cylindrica (Hutton, 1872)
120. Species Ophiura daniana Verrill, 1867 accepted as Diopederma daniana (Verrill, 1867)
121. Species Ophiura divisa (Lütken & Mortensen, 1899) accepted as Ophioplinthus divisa (Lütken & Mortensen, 1899) (synonym)
122. Species Ophiura doederleini (Koehler, 1900) accepted as Ophiogona doederleini (Koehler, 1900) (synonym)
123. Species Ophiura dorae Lepsius, 1878 † accepted as Aspiduriella dorae (Lepsius, 1878) †
124. Species Ophiura echinata Lamarck, 1816 accepted as Ophiocoma echinata (Lamarck, 1816)
125. Species Ophiura egertoni Broderip, 1840 † accepted as Palaeocoma milleri (Phillips, 1829) †
126. Species Ophiura elegans Leach, 1815 accepted as Amphipholis squamata (Delle Chiaje, 1828) (suppressed by ICZN)
127. Species Ophiura euryplax (H.L. Clark, 1939) accepted as Ophiuroglypha euryplax (H.L. Clark, 1939)
128. Species Ophiura fasciculata Forbes, 1852 accepted as Ophiura robusta (Ayres, 1852) (synonym)
129. Species Ophiura fisheri A.H. Clark, 1949 accepted as Amphiophiura fisheri (A.H. Clark, 1949)
130. Species Ophiura fitchii Spencer, 1907 † accepted as Ophiomusium fitchii (Spencer, 1907) †
131. Species Ophiura flaccida Say, 1825 accepted as Ophiomyxa flaccida (Say, 1825)
132. Species Ophiura frigida (Koehler, 1900) accepted as Ophioplinthus frigida (Koehler, 1900) (synonym)
133. Species Ophiura fuerstenbergii (J. Müller, 1847) † accepted as Ophioplinthaca fuerstenbergii (J. Müller, 1847) †
134. Species Ophiura fürstenbergii J. Müller, 1847 † accepted as Ophioplinthaca fuerstenbergii (J. Müller, 1847) †
135. Species Ophiura gagnebini Thurmann, 1851 † accepted as Enakomusium gagnebini (Thurmann, 1851) †
136. Species Ophiura glypta (H.L. Clark, 1939) accepted as Ophioplinthus glypta (H.L. Clark, 1939) (synonym)
137. Species Ophiura glyptodisca H.L. Clark, 1911 accepted as Aspidophiura forbesi (Duncan, 1879)
138. Species Ophiura granulata Johnston, 1935 accepted as Ophiocomina nigra (Abildgaard in O.F. Müller, 1789) (synonym)
139. Species Ophiura granulosa Roemer, 1840 † accepted as Ophiomusium granulosum (Roemer, 1840) †
140. Species Ophiura hadra H.L. Clark, 1911 accepted as Amphiophiura superba (Lütken & Mortensen, 1899) (synonym)
141. Species Ophiura hagenowi Rasmussen, 1950 † accepted as Stegophiura hagenowi (Rasmussen, 1950) †
142. Species Ophiura hastata (Lyman, 1878) accepted as Ophiocten hastatum Lyman, 1878
143. Species Ophiura holmesii Lyman, 1860 accepted as Ophioderma holmesii (Lyman, 1860)
144. Species Ophiura incrassata Lamarck, 1816 accepted as Ophiarachna incrassata (Lamarck, 1816)
145. Species Ophiura inermis (Lyman, 1878) accepted as Ophiopleura inermis (Lyman, 1878) (synonym)
146. Species Ophiura inflata (Koehler, 1897) accepted as Ophioplinthus inflata (Koehler, 1897) (synonym)
147. Species Ophiura involuta (Koehler, 1899) accepted as Ophiura (Ophiuroglypha) irrorata irrorata (Lyman, 1878) accepted as Ophiuroglypha irrorata irrorata (Lyman, 1878)
148. Species Ophiura isocantha Say, 1825 accepted as Ophiostigma isocanthum (Say, 1825)
149. Species Ophiura januarii (Lütken, 1856) accepted as Ophioderma januarii Lütken, 1856
150. Species Ophiura jejuna (Lyman, 1878) accepted as Ophiuroglypha jejuna (Lyman, 1878)
151. Species Ophiura kermadecensis Benham, 1911 accepted as Amphiophiura kermadecensis (Benham, 1911) (transferred by H.L. Clark (1915))
152. Species Ophiura kinbergi Ljungman, 1866 accepted as Ophiuroglypha kinbergi (Ljungman, 1866)
153. Species Ophiura koehleri Bell, 1908 accepted as Ophioperla koehleri (Bell, 1908)
154. Species Ophiura lacazei (Lyman, 1878) accepted as Amphiophiura lacazei (Lyman, 1878)
155. Species Ophiura lacertosa Lamarck, 1801 accepted as Ophiura ophiura (Linnaeus, 1758) (synonym)
156. Species Ophiura laevis Lyman, 1865 accepted as Ophioderma longicauda (Bruzelius, 1805) accepted as Ophioderma longicaudum (Bruzelius, 1805) (synonym)
157. Species Ophiura lapidaria (Lyman, 1878) accepted as Amphiophiura lapidaria (Lyman, 1878)
158. Species Ophiura lepida (Lyman, 1878) accepted as Ophiura ljungmani (Lyman, 1878)
159. Species Ophiura libanotica König, 1825 † accepted as Geocoma libanotica (König, 1825) †
160. Species Ophiura longipeda Lamarck, 1816 (unaccepted)
161. Species Ophiura longivertebralis Wolburg, 1939 † (unaccepted)
162. Species Ophiura loricata Goldfuss, 1833 † (unaccepted, junior synonym)
163. Species Ophiura loveni (Lyman, 1878) (unaccepted, synonym acc. to Paterson (1985))
164. Species Ophiura lymani (Ljungman, 1871) (unaccepted, type species of Ophiuroglypha)
165. Species Ophiura madseni (Belyaev & Litvinova, 1972) (unaccepted, synonym)
166. Species Ophiura marmorata Lamarck, 1816 (unaccepted)
167. Species Ophiura megapoma H.L. Clark, 1911 (unaccepted)
168. Species Ophiura meridionalis (Lyman, 1879) (unaccepted, transferred by Bernasconi & d'Agostino (1978))
169. Species Ophiura milleri Phillips, 1829 † (unaccepted)
170. Species Ophiura monaria A.H. Clark, 1949 (unaccepted)
171. Species Ophiura neglecta Johnston, 1835 (unaccepted > superseded combination, synonymised by Forbes (1843))
172. Species Ophiura nereidina Lamarck, 1816 (unaccepted, synonym)
173. Species Ophiura nodosa Lütken, 1855 (unaccepted, synonym)
174. Species Ophiura oediplax H.L. Clark, 1911 (unaccepted)
175. Species Ophiura oligopora H.L. Clark, 1913 (unaccepted, synonym)
176. Species Ophiura ossiculata (Koehler, 1907) (unaccepted, transferred by Stöhr & O'Hara (2021))
177. Species Ophiura pallida Verrill, 1899 (unaccepted, transferred to Ophioderma by H.L. Clark (1915))
178. Species Ophiura panamensis (Lütken, 1859) (unaccepted)
179. Species Ophiura paragraysonensis Taylor, 1966 † (unaccepted)
180. Species Ophiura parvisentis Spencer, 1907 † (unaccepted)
181. Species Ophiura parvisentum Spencer, 1907 † (unaccepted)
182. Species Ophiura paucispina Say, 1825 (unaccepted)
183. Species Ophiura penichra H.L. Clark, 1911 (unaccepted)
184. Species Ophiura pentagona Lamarck, 1816 (unaccepted, synonym)
185. Species Ophiura plana (Lütken & Mortensen, 1899) (unaccepted, transferred by Stöhr & O'Hara (2021))
186. Species Ophiura pomphophora H.L. Clark, 1911 (unaccepted)
187. Species Ophiura ponderosa (Lyman, 1878) (unaccepted)
188. Species Ophiura quinquemaculata Delle Chiaje, 1828 (unaccepted, synonym)
189. Species Ophiura reticulata Say, 1825 (unaccepted, synonym)
190. Species Ophiura rosularia Grube (unaccepted)
191. Species Ophiura rubicunda Lyman, ???? (unaccepted > nomen nudum)
192. Species Ophiura rugosa (Lyman, 1878) (unaccepted)
193. Species Ophiura sarsi (unaccepted, grammatically incorrect spelling)
194. Species Ophiura schmidt-otti (Hertz, 1927) (unaccepted)
195. Species Ophiura scolopendrina Lamarck, 1816 (unaccepted)
196. Species Ophiura scomba Paterson, 1985 (unaccepted, transferred by O'Hara et al. (2018))
197. Species Ophiura scutellum Grube, 1840 (unaccepted, transferred to Ophionyx by Müller & Troschel, 1842)
198. Species Ophiura sericea Forbes, 1852 (unaccepted, synonym)
199. Species Ophiura serrata Mortensen, 1936 (unaccepted, listed as Ophiomastus by Bernasconi & d'Agostino (1973))
200. Species Ophiura serrata Roemer, 1840 † (unaccepted)
201. Species Ophiura setosa Bruzelius, 1805 (unaccepted, synonym)
202. Species Ophiura signata (Verrill, 1882) (unaccepted, synonym)
203. Species Ophiura skoogi Koehler, 1923 (unaccepted)
204. Species Ophiura spinulosa Risso, 1826 (unaccepted, transferred to Ophiothrix by Müller & Troschel (1840))
205. Species Ophiura squamata Lamarck, 1816 (unaccepted, transferred to Ophiocoma by Müller & Troschel (1842))
206. Species Ophiura squamosa Lütken, 1855 (unaccepted, synonymized by Mortensen (1927))
207. Species Ophiura stiphra H.L. Clark, 1911 (unaccepted)
208. Species Ophiura stuwitzii Lütken, 1857 (unaccepted, synonym)
209. Species Ophiura substriata Rasmussen, 1950 † (unaccepted)
210. Species Ophiura superba (Lütken & Mortensen, 1899) (unaccepted, synonym)
211. Species Ophiura teres Lyman, 1860 (unaccepted)
212. Species Ophiura textura (Linnaeus, 1758) (unaccepted, synonym and misspelling)
213. Species Ophiura texturata Lamarck, 1816 (unaccepted, superceded junior synonym)
214. Species Ophiura tongana Lyman, 1882 (unaccepted, synonymized with O. leonis by Ziesenhenne (1955))
215. Species Ophiura tumida Mortensen, 1933 (unaccepted)
216. Species Ophiura ursula A.H. Clark, 1949 (unaccepted)
217. Species Ophiura vadicola Djakonov, 1954 (unaccepted, erroneously on species level)
218. Species Ophiura variegata (Lütken, 1856) (unaccepted, transferred to Ophiura by Verrill (1867), who considered both synonymous)
219. Species Ophiura victoriae (Bell, 1902) (unaccepted, synonym)
220. Species Ophiura carnea Lütken, 1858 (alternative representation)
221. Species Ophiura ctenophora H.L. Clark, 1909 (alternative representation)
222. Species Ophiura irrorata (Lyman, 1878) (alternative representation)
223. Species Ophiura mundata (Koehler, 1906) (alternative representation)
224. Species Ophiura nana (Lütken & Mortensen, 1899) (alternative representation)
225. Species Ophiura scutellata (Lütken & Mortensen, 1899) (alternative representation)
226. Species Ophiura spinicantha McKnight, 2003 (alternative representation)
227. Species Ophiura trimeni Bell, 1905 (alternative representation)
228. Species Ophiura annulata Quenstedt, 1876 † (uncertain > nomen dubium)
229. Species Ophiura elongata Say, 1825 (uncertain > nomen dubium, synonymized by Lyman (1865), nomen dubium acc. to Hendler (2011))
230. Species Ophiura glacialis Forbes, 1852 (uncertain > taxon inquirendum, valid name unknown)
231. Species Ophiura koreni Jarshinsky (uncertain > taxon inquirendum)
232. Species Ophiura kurilensis Baranova (uncertain > taxon inquirendum)
233. Species Ophiura minuta Risso, 1826 (uncertain > taxon inquirendum)
234. Species Ophiura olifex Quenstedt, 1876 † (uncertain > nomen dubium, based on indeterminable material)
235. Species Ophiura prisca Goldfuss, 1833 † (uncertain > nomen dubium, based on indeterminable material)
236. Species Ophiura rondeletii Risso, 1826 (uncertain > taxon inquirendum)
237. Species Ophiura rufescens (uncertain > nomen dubium, unclear origin, perhaps misprint in Belloc (1950))
238. Species Ophiura tener A.H. Müller, 1950 † (uncertain > nomen dubium)
239. Species Ophiura tenorii (Delle Chiaje, 1825) (uncertain > nomen dubium)
240. Species Ophiura ventrocarinata Quenstedt, 1876 † (uncertain > nomen dubium, based on indeterminable material)
241. Species Ophiura verrucosa McKnight, 2003 (uncertain > nomen dubium, homonym of O. verrucosa (Studer, 1876))

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