Parent taxon: Monobathrida according to G. D. Webster and D. W. Webster 2012
See also Ausich 1998, Ausich and Copper 2010, Ausich et al. 2018, Ubaghs et al. 1978, Webster 2012, Webster and Lane 1987 and Webster and Lane 2007
Sister taxa: Acrocrinitidae, Adelphicrinus, Amarsupiocrinus, Amblacrinus, Bolicrinus, Carpocrinidae, Cerasmocrinus, Closterocrinus, Delgadocrinidae, Dolatocrinicae, Eknomocrinidae, Eocamptocrinus, Eucalyptocrinitidae, Exsulacrinus, Glaphyocrinus, Glyptocrinina, Habrotecrinidae, Harrelicrinus, Hexacriniticae, Hyrtanecrinus, Ilmocrinus, Ivanovaecrinus, Lobomelocrinus, Marhoumacrinus, Marsupiocrinidae, Nanicrinus, Neocamtocrinus, Pandanocrinus, Paracrocrinus, Paramegaliocrinus, Paratalarocrinus, Patelliocrinidae, Phrygilocrinus, Praedicticrinus, Prokopicrinus, Shimantocrinus, Struszocrinus, Tanaocrinina, Xenocrinidae
Subtaxa: Carpocrinacea Carpocrinoidea Hexacrinitacea Hexacrinitoidea Periechocrinacea Periechocrinoidea Xenocrinacea Xenocrinoidea
Ecology: stationary upper-level epifaunal suspension feeder