Parent taxon: Glyptocrinina according to Y. Y. Mao et al. 2018
See also Ausich 1998, Ausich and Roeser 2012, Frest and Strimple 1977, Ubaghs et al. 1978, Webster et al. 2025, Webster and Jell 1992, Webster and Lane 1987, Webster et al. 2009 and Webster and Webster 2012
Sister taxa: Eucalyptocrinitacea, Glyptocrinacea, Glyptocrinoidea, Melocrinitacea, Patelliocrinoidea, Platycrinitoidea, Stipatocrinacea
Subtaxa: Hapalocrinidae Hirneacrinidae Prokopicrinidae
Type: Platycrinites
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Devonian of Australia (1 collection), Czechia (1), Germany (3), United States (7: New York)
• Silurian of Australia (4), the United Kingdom (4), United States (25: Illinois, Indiana, Iowa, Missouri, New York, Oklahoma, Tennessee, West Virginia)
• Ordovician of United States (1: Illinois)
Total: 46 collections including 68 occurrences