• Amphiactis affinis (Studer, 1885) accepted as Amphioplus affinis (Studer, 1885)
• Amphiactis astarte A.H. Clark, 1949 accepted as Ophiozonella astarte (Clark, 1949)
• Amphiactis canescens (Lyman, 1879) accepted as Histampica canescens (Lyman, 1879)
• Amphiactis dissidens (Koehler, 1904) accepted as Ophiomedea dissidens (Koehler, 1904) accepted as Histampica dissidens (Koehler, 1904)
• Amphiactis duplicata (Lyman, 1875) accepted as Histampica duplicata (Lyman, 1875)
• Amphiactis lycidas A.H. Clark, 1949 accepted as Ophiactis lycidas (A.H. Clark, 1949) accepted as Histampica lycidas (A.H. Clark, 1949)
• Amphiactis parata (Koehler, 1904) accepted as Ophiocopa spatula Lyman, 1883
• Amphiactis partita (Koehler, 1904) accepted as Histampica duplicata (Lyman, 1875)
• Amphiactis patula (Lyman, 1879) accepted as Amphioplus patulus (Lyman, 1879)
• Amphiactis pectorale (Lyman, 1880) accepted as Ophiodictys pectorale (Lyman, 1880)
• Amphiactis picteti (de Loriol, 1893) accepted as Ophiactis picteti (de Loriol, 1893)
• Amphiactis proposita (Koehler, 1922) accepted as Amphiura proposita Koehler, 1922
• Amphiactis umbonata Matsumoto, 1915 accepted as Histampica umbonata (Matsumoto, 1915)
• Hemipholis affinis Ljungman, 1867 accepted as Hemipholis gracilis Verrill, 1867
• Hemipholis cordifera (Bosc, 1802)
• Hemipholis elongata (Say, 1825)
• Hemipholis gracilis Verrill, 1867
• Hemipholis microdiscus Duncan, 1879 accepted as Amphiura microdiscoida H.L. Clark, 1915
• Hemipholis wallichii Duncan, 1881
• Histampica canescans (Lyman, 1879)
• Histampica canescens (Lyman, 1879)
• Histampica cythera (A.H. Clark, 1949)
• Histampica dissidens (Koehler, 1904)
• Histampica duplicata (Lyman, 1875)
• Histampica lycidas (A.H. Clark, 1949)
• Histampica rugosa (H.L. Clark, 1941)
• Histampica sinica Liao, 2004
• Histampica umbonata (Matsumoto, 1915)
• Ophiactis abyssicola (M. Sars, 1861)
• Ophiactis acosmeta H.L. Clark, 1938
• Ophiactis affinis Duncan, 1879
• Ophiactis africana Koehler, 1911 accepted as Ophiactis luetkeni Marktanner-Turneretscher, 1887
• Ophiactis algicola H.L. Clark, 1933
• Ophiactis amator Koehler, 1922
• Ophiactis arenosa Lütken, 1856 accepted as Ophiactis simplex (LeConte, 1851)
• Ophiactis asperula (Philippi, 1858)
• Ophiactis balli (W. Thompson, 1840)
• Ophiactis brachyaspis H.L. Clark, 1911
• Ophiactis brachygenys H.L. Clark, 1911
• Ophiactis brachyura Döderlein, 1898
• Ophiactis brasiliensis Manso, 1988
• Ophiactis brevis H.L. Clark, 1938
• Ophiactis brocki de Loriol, 1893 accepted as Ophiactis savignyi (Müller & Troschel, 1842)
• Ophiactis canescens (Lyman, 1879) accepted as Amphiactis canescens (Lyman, 1879) accepted as Histampica canescens (Lyman, 1879)
• Ophiactis canotia Lyman, 1879
• Ophiactis capensis Hertz, 1926 accepted as Ophiactis carnea Ljungman, 1867
• Ophiactis carnea Ljungman, 1867
• Ophiactis clavigera Ljungman, 1865 accepted as Ophiomitrella clavigera (Ljungman, 1865)
• Ophiactis conferta Koehler, 1905
• Ophiactis corallicola Koehler, 1895 accepted as Ophiactis abyssicola (M. Sars, 1861)
• Ophiactis crosnieri Cherbonnier & Guille, 1978
• Ophiactis cuspidata Lyman, 1879 accepted as Ophiactis abyssicola (M. Sars, 1861)
• Ophiactis cyanosticta H.L. Clark, 1918
• Ophiactis definita Koehler, 1922
• Ophiactis delagoa J.B. Balinsky, 1957
• Ophiactis delicata H.L. Clark, 1915
• Ophiactis dispar Verrill, 1899 accepted as Ophiactis quinqueradia Ljungman, 1872
• Ophiactis dissidens Koehler, 1904 accepted as Ophiomedea dissidens (Koehler, 1904) accepted as Histampica dissidens (Koehler, 1904)
• Ophiactis duplicata (Lyman, 1875) accepted as Histampica duplicata (Lyman, 1875)
• Ophiactis dyscrita H.L. Clark, 1911
• Ophiactis echinata Koehler, 1898 accepted as Ophiactis abyssicola (M. Sars, 1861)
• Ophiactis elegans
• Ophiactis flexulosa Lyman, 1879
• Ophiactis flexuosa Lyman, 1879
• Ophiactis fragilis Ljungman, 1866 accepted as Ophiactis kroeyeri Lütken, 1856
• Ophiactis fuscolineata H.L. Clark, 1938
• Ophiactis gymnochora H.L. Clark, 1911
• Ophiactis hemiteles H.L. Clark, 1915
• Ophiactis hexacantha H.L. Clark, 1939
• Ophiactis hirta Lyman, 1879
• Ophiactis humilis Lyman, 1869 accepted as Ophiolebes humilis (Lyman, 1869)
• Ophiactis incisa von Martens, 1870 accepted as Ophiactis savignyi (Müller & Troschel, 1842)
• Ophiactis krebsi Lütken, 1856 accepted as Ophiactis savignyi (Müller & Troschel, 1842)
• Ophiactis krebsii Lütken, 1856 accepted as Ophiactis savignyi (Müller & Troschel, 1842)
• Ophiactis kroeyeri Lütken, 1856
• Ophiactis kroyeri Lütken, 1856 accepted as Ophiactis kroeyeri Lütken, 1856
• Ophiactis laevis H.L. Clark, 1938
• Ophiactis lethe A.H. Clark, 1949
• Ophiactis ljungmani Marktanner-Turneretscher, 1887
• Ophiactis longibrachia H.L. Clark, 1900 accepted as Ophiactis quinqueradia Ljungman, 1872
• Ophiactis longispina
• Ophiactis loricata Lyman, 1869
• Ophiactis lorioli Koehler, 1897 accepted as Amphiura lorioli (Koehler, 1897)
• Ophiactis luetkeni Marktanner-Turneretscher, 1887
• Ophiactis luteomaculata H.L. Clark, 1915
• Ophiactis lycidas (A.H. Clark, 1949) accepted as Histampica lycidas (A.H. Clark, 1949)
• Ophiactis lymani Ljungman, 1872
• Ophiactis macrolepidota Marktanner-Turneretscher, 1887
• Ophiactis maculosa von Martens, 1870
• Ophiactis magellanica Ljungman, 1866 accepted as Ophiactis asperula (Philippi, 1858)
• Ophiactis minor Döderlein, 1910 accepted as Amphipholis squamata (Delle Chiaje, 1828)
• Ophiactis modesta Brock, 1888
• Ophiactis muelleri Lütken, 1856
• Ophiactis mulleri Lütken, 1856
• Ophiactis nama Lyman, 1879
• Ophiactis nidarosiensis Mortensen, 1920
• Ophiactis nigrescens Hutton, 1872 accepted as Ophiocoma schoenleinii Müller & Troschel, 1842 accepted as Ophiocoma scolopendrina (Lamarck, 1816)
• Ophiactis nomentis Farquhar, 1907 accepted as Ophiactis resiliens Lyman, 1879
• Ophiactis notabilis H.L. Clark, 1939
• Ophiactis novaezelandiae Mortensen, 1924 accepted as Ophiactis profundi Lütken & Mortensen, 1899