Amphiophiura kermadecensis (Benham, 1911) (new combination reference)
Amphiophiura lockingtoni (Ives, 1889) (new combination reference)
Amphiophiura metabula H.L. Clark, 1915 (original description)
Amphiophiura oedignatha H.L. Clark, 1915 (original description)
Amphioplus (Amphioplus) cyrtacanthus H.L. Clark, 1915 represented as Amphioplus cyrtacanthus H.L. Clark, 1915 (original description)
Amphioplus asterictus H.L. Clark, 1915 (original description)
Amphioplus cyrtacanthus H.L. Clark, 1915 (original description)
Amphioplus parviclypeus H.L. Clark, 1915 represented as Amphioplus (Amphioplus) parviclypeus H.L. Clark, 1915 (original description)
Amphipholis pentacantha H.L. Clark, 1915 (original description)
Amphipholizona Clark, 1915 (original description)
Amphipholizona delicata H.L. Clark, 1915 (original description)
Amphiura (Amphiura) leptotata H.L. Clark, 1915 (original description)
Amphiura brachyactis H.L. Clark, 1938 represented as Amphiura (Amphiura) brachyactis Clark, 1938 (original description)
Amphiura goniodes H.L. Clark, 1915 (original description)
Amphiura leptotata H.L. Clark, 1915 represented as Amphiura (Amphiura) leptotata H.L. Clark, 1915 (original description)
Amphiura microdiscoida H.L. Clark, 1915 (original description)
Amphiura microsoma H.L. Clark, 1915 represented as Amphiura (Amphiura) microsoma H.L. Clark, 1915 (original description)
Amphiura multispina H.L. Clark, 1915 (original description)
Amphiura poecila H.L. Clark, 1915 represented as Amphiura (Amphiura) poecila H.L. Clark, 1915 (original description)
Amphiura septemspinosa H.L. Clark, 1915 represented as Amphiura (Amphiura) septemspinosa H.L. Clark, 1915 (original description)
Amphiura syntaracha H.L. Clark, 1915 (original description)
Asteroporpa (Asteroporpa) affinis Lütken, 1859 accepted as Asteroporpa (Asteroporpa) annulata Örsted & Lütken in Lütken, 1856 (source of synonymy)
Asteroporpa pulchra H.L. Clark, 1915 represented as Asteroporpa (Asteroporpa) pulchra H.L. Clark, 1915 (original description)
Astrocladus exiguus (Lamarck, 1816) (source of synonymy)
Astrophyton Fleming, 1828 (subsequent type designation)
Ophiacantha curima Clark, 1915 (original description)
Ophiacantha lasia H.L. Clark, 1915 (original description)
Ophiacantha mesembria H.L. Clark, 1915 (original description)
Ophiacantha metallacta H.L. Clark, 1915 (original description)
Ophiactis hemiteles H.L. Clark, 1915 (original description)
Ophiactis luteomaculata H.L. Clark, 1915 (original description)
Ophiactis quadrispina H.L. Clark, 1915 (original description)
Ophiocormus H.L. Clark, 1915 (original description)
Ophiocormus notabilis H.L. Clark, 1915 (original description)
Ophioholcus Clark, 1915 (original description)
Ophiolebes pachyphylax H.L. Clark, 1915 (original description)
Ophiolepis superba H.L. Clark, 1915 (additional source)
Ophiomastix corallicola H.L. Clark, 1915 (original description)
Ophiomyxa brevirima H.L. Clark, 1915 (original description)
Ophiophragmus brachyactis H.L. Clark, 1915 (original description)
Ophiopristis Verrill, 1899 (source of synonymy)
Ophioprium H.L. Clark, 1915 (original description)
Ophiopsila polyacantha H.L. Clark, 1915 (original description)
Ophiopsila polysticta H.L. Clark, 1915 (original description)
Ophioscolex disacanthus H. L. Clark, 1915 (original description)
Ophiothamnus chariis H.L. Clark, 1915 (original description)
Ophiothrix brachyactis H.L. Clark, 1915 (original description)
Ophiothrix dyscrita H.L. Clark, 1915 represented as Ophiothrix (Ophiothrix) dyscrita Clark, 1915 (original description)
Ophiothrix liodisca H.L. Clark, 1915 represented as Ophiothrix (Ophiothrix) liodisca H.L. Clark, 1915 (original description)
Ophiozonoida H.L. Clark, 1915 (original description)
Ophiozonoida picta H.L. Clark, 1915 (original description)
Ophiura verrucosa (Studer, 1876) (source of synonymy)
Stegophiura macrarthra H.L. Clark, 1915 (original description)