Parent taxon: Crinoidea according to G. D. Webster et al. 2025
See also Ausich et al. 2018, Brower et al. 2024, Mao et al. 2018, Wright et al. 2017 and Wright et al. 2019
Sister taxa: Acariaeocrinus, Aethocrinea, Angulata, Asperocrinidae, Aspidocrinus, Balearocrinus, Baryschyr, Bystrowicrinus, Camerata, Carpenterocrinus, Communicrinus, Conspectocrinus, Cyclocaudex, Cyclocharacidae, Cyclocrista, Cyclocyclicus, Cyclomischidae, Cycloscapus, Dazhucrinus, Dentiferocrinidae, Dentiferocrinus, Dicyclica, Dronovicrinus, Dulanocrinus, Dwortsowaecrinus, Echmatocrinida, Ellipsoellipticus, Entrochus, Entrochus rotiformis, Exaesiodiscidae, Flexicrinus, Floricrinus, Floricyclidae, Floripila, Flucticharacidae, Flucticharax, Forbesiocrinus siculus, Gasterometra, Gemmacrinus, Glyphidocrinus, Hemistreptocrinoidea, Heterostelechus, Kojvicrinus, Kstutocrinidae, Lamprosterigma, Leptocarphiidae, Lichenocrinus, Malovicrinus, Mastocrinus, Mooreanteris, Moscovicrinus, Multifidocrinus, Nollenbachblastus, Ordinacrinus, Pandocrinus, Pentagonocyclicus, Pentagonopterix, Pentaridica, Phialocrinus, Picteticrinus, Pinegicrinus, Preptopremnum, Protocrinoida, Protocrinoidea, Salairocrinidae, Salairocrinus, Schyschcatocrinidae, Stenocrinidae, Stukaliniidae, Tantalocrinidae, Taranshicrinidae, Tatjanicrinus, Tetragonocyclicus, Tetralobocrinus, Torrocrinus, Waikaripites, Webericrinus, Zeravschanocrinus
Subtaxa: Inadunata
Ecology: stationary upper-level epifaunal suspension feeder