Amphilimnidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Asteroschematidae Verrill, 1899 accepted as Euryalidae Gray, 1840 (additional source)
Breviturma Stöhr, Boissin & Hoareau, 2013 (status source)
Breviturma brevipes (Peters, 1851) (new combination reference)
Breviturma dentata (Müller & Troschel, 1842) (new combination reference)
Breviturma doederleini (de Loriol, 1899) (new combination reference)
Euryalida (taxonomy source)
Euryalidae Gray, 1840 (redescription)
Gorgonocephalidae Ljungman, 1867 (redescription)
Hemieuryalidae Verrill, 1899 (redescription)
Metophiurida (taxonomy source)
Myophiuroidea accepted as Myophiuroida (taxonomy source)
Ophiacanthidae Ljungman, 1867 (taxonomy source)
Ophiarachna Müller & Troschel, 1842 (taxonomy source)
Ophiarachnella Ljungman, 1872 (taxonomy source)
Ophiarthrum Peters, 1851 accepted as Ophiomastix Müller & Troschel, 1842 (taxonomy source)
Ophiernidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiocamacidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiochalcis Koehler, 1930 (taxonomy source)
Ophiocoma L. Agassiz, 1836 (taxonomy source)
Ophiocoma (Breviturma) Stöhr, Boissin & Hoareau, 2013 accepted as Breviturma Stöhr, Boissin & Hoareau, 2013 (status source)
Ophiocoma (Breviturma) dentata Müller & Troschel, 1842 accepted as Breviturma dentata (Müller & Troschel, 1842) (status source)
Ophiocoma (Breviturma) doederleini de Loriol, 1899 accepted as Breviturma doederleini (de Loriol, 1899) (status source)
Ophiocoma dentata Müller & Troschel, 1842 accepted as Breviturma dentata (Müller & Troschel, 1842) (status source)
Ophiocoma doederleini de Loriol, 1899 accepted as Breviturma doederleini (de Loriol, 1899) (status source)
Ophiocomella A.H. Clark, 1939 (taxonomy source)
Ophioconis Lütken, 1869 (taxonomy source)
Ophiocopa Lyman, 1883 (taxonomy source)
Ophiocypris Koehler, 1930 (taxonomy source)
Ophioleptoplax H.L. Clark, 1911 (taxonomy source)
Ophioleuce Koehler, 1904 (taxonomy source)
Ophiomastix Müller & Troschel, 1842 (taxonomy source)
Ophiomitra Lyman, 1869 (taxonomy source)
Ophiomusa Hertz, 1927 (status source)
Ophiomusa longispina (Koehler, 1930) (taxonomy source)
Ophiomusa lymani (Wyville Thomson, 1873) (status source)
Ophiomusa miranda (Koehler, 1930) (taxonomy source)
Ophiomusa scalare (Lyman, 1878) (taxonomy source)
Ophiomusa simplex (Lyman, 1878) (taxonomy source)
Ophiomusaidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiomusina (redescription)
Ophiomusium Lyman, 1869 (taxonomy source)
Ophiomusium facundum Koehler, 1922 accepted as Ophiomusa facunda (Koehler, 1922) (taxonomy source)
Ophiomusium longispinum Koehler, 1930 accepted as Ophiomusa longispina (Koehler, 1930) (taxonomy source)
Ophiomusium mirandum Koehler, 1930 accepted as Ophiomusa miranda (Koehler, 1930) (taxonomy source)
Ophiomusium scalare Lyman, 1878 accepted as Ophiomusa scalare (Lyman, 1878) (taxonomy source)
Ophiomusium simplex Lyman, 1878 accepted as Ophiomusa simplex (Lyman, 1878) (taxonomy source)
Ophiopallas Koehler, 1904 (taxonomy source)
Ophiopeza Peters, 1851 (taxonomy source)
Ophiopezidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiopholidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (basis of record)
Ophiopholis Müller & Troschel, 1842 (taxonomy source)
Ophiopsila Forbes, 1843 (taxonomy source)
Ophiosphalmidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiothamnidae O'Hara, Stöhr, Hugall, Thuy & Martynov, 2018 (original description)
Ophiotreta Verrill, 1899 (status source)
Ophiura (Ophiuroglypha) Hertz, 1927 accepted as Ophiuroglypha Hertz, 1927 (status source)
Ophiurida (taxonomy source)
Ophiuroglypha Hertz, 1927 (status source)