Bathycrinus perrieri Koehler & Vaney, 1910 accepted as Monachocrinus perrieri (Koehler & Vaney, 1910) accepted as Monachocrinus recuperatus (Perrier, 1885) (additional source)
Cucumariidae Ludwig, 1894 (identification resource)
Democrinus Perrier, 1883 (additional source)
Democrinus parfaiti Perrier, 1883 (additional source)
Ilycrinus Danielssen & Koren, 1877 accepted as Bathycrinus Thomson, 1872 (additional source)
Ilycrinus carpenterii Danielssen & Koren, 1877 accepted as Bathycrinus carpenterii (Danielssen & Koren, 1877) (additional source)
Ilycrinus recuperatus (Perrier, 1885) accepted as Monachocrinus recuperatus (Perrier, 1885) (additional source)
Molpadiidae J. Müller, 1850 (identification resource)
Monachocrinus AH Clark, 1913 (additional source)
Monachocrinus perrieri (Koehler & Vaney, 1910) accepted as Monachocrinus recuperatus (Perrier, 1885) (additional source)
Monachocrinus recuperatus (Perrier, 1885) (additional source)
Monachocrinus sexradiatus AH Clark, 1917 (additional source)
Ophiocoma granulata Forbes, 1839 accepted as Ophiocomina nigra (Abildgaard in O.F. Müller, 1789) (source of synonymy)
Ophiocoma nilssoni Müller & Troschel, 1842 accepted as Ophiocomina nigra (Abildgaard in O.F. Müller, 1789) (source of synonymy)
Ophiocoma raschi G.O. Sars, 1872 accepted as Ophiocomina nigra (Abildgaard in O.F. Müller, 1789) (source of synonymy)
Ophiodera Verrill, 1899 accepted as Ophiomyxa Müller & Troschel, 1840 (source of synonymy)
Ophiothrix ferussacii (Delle Chiaje, 1828) accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) (additional source)
Ophiothrix rammelsbergii Müller & Troschel, 1842 accepted as Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) (additional source)
Pentametrocrinidae AH Clark, 1908 (additional source)
Pentametrocrinus AH Clark, 1908 (additional source)
Pentametrocrinus atlanticus (Perrier, 1883) (additional source)
Psolidae Burmeister, 1837 (identification resource)
Thalassometridae AH Clark, 1908 (additional source)