Alternative spelling: Periechocrinitacea
Parent taxon: Compsocrinina according to R. G. Keyes et al. 2025
See also Ausich and Roeser 2012, Johnson and Lane 1969, Ubaghs et al. 1978, Webster et al. 2009, Webster and Lane 1987, Webster and Lane 2007 and Webster and Webster 2012
Sister taxa: Carpocrinacea, Carpocrinoidea, Hexacrinitacea, Hexacrinitoidea, Periechocrinacea, Periechocrinoidea, Xenocrinacea, Xenocrinoidea
Subtaxa: Paragaricocrinidae Periechocrinitidae
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Permian of Canada (1: British Columbia collection), Tunisia (1)
• Carboniferous of China (1), Japan (1), Spain (1), United States (4: Alabama, Montana, Oklahoma)
• Devonian of United States (6: Indiana, Michigan, Nevada, New York)
• Silurian to Devonian of Algeria (1)
Total: 16 collections including 18 occurrences