Genus Bathycrinus Thomson, 1872

Type species of the genus: Bathycrinus gracilis Thomson, 1872 .

Synonymy: Bathycrinus Thomson 1872: 772; Ilycrinus Danielssen & Koren 1877: 45; Bathycrinus A.H. Clark 1917: 389 –390; Gislén 1938: 14–15; Roux et al. 2002: 815, 818, 822; Mironov 2008: 135–136; Hess 2011: T153; Messing 2018.

Included species: B. aldrichianus Thomson, 1876, B. australis Clark, 1907a, B. australocrucis McKnight, 1973, Ilicrinus carpenterii Danielssen & Koren, 1877, B. complanatus Clark, 1907b, B. equatorialis Clark, 1908, B. gracilis Thomson, 1872, B. kirilli Mironov n. sp., B. mendeleevi Mironov, 2008, B. pacificus Clark, 1907c, B. rozhnovi Mironov n. sp., B. longipinnus Mironov n. sp., B. volubilis Mironov, 2000 .

Remarks. Attribution of B. woodmasoni Clark, 1909 to Bathycrinus is questionable because it was known only from stalk fragments.