Parent taxon: Crinoidea according to D. F. Wright et al. 2017
See also Ausich et al. 2018, Brower et al. 2024, Mao et al. 2018 and Wright et al. 2019
Sister taxa: Acariaeocrinus, Aethocrinea, Angulata, Asperocrinidae, Aspidocrinus, Balearocrinus, Baryschyr, Bornium, Camerata, Carpenterocrinus, Communicrinus, Conspectocrinus, Crisantum, Cyclocaudex, Cyclocharacidae, Cyclocrista, Cyclocyclicus, Cyclomischidae, Cycloscapus, Dazhucrinus, Dentiferocrinidae, Dentiferocrinus, Dicyclica, Dronovicrinus, Dulanocrinus, Dwortsowaecrinus, Echmatocrinida, Entrochus, Entrochus rotiformis, Exaesiodiscidae, Flexicrinus, Floricyclidae, Floripila, Flucticharacidae, Flucticharax, 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: Apektocrinus Inadunata
Ecology: stationary upper-level epifaunal suspension feeder