Crinoidea - Homocrinida - Homocrinidae
Synonyms: Apodasmocrinidae Frest et al. 1979, Tunguskocrinidae Arendt 1963
Parent taxon: Homocrinida according to W. I. Ausich and P. Copper 2010
See also Ausich 1998, Ausich et al. 2018, Donovan 1986, Frest et al. 1979, Kolata 1976 and Ubaghs et al. 1978
Sister taxa: Anomalocrinidae, Atopocrinidae, Cincinnaticrinidae, Columbicrinidae
Subtaxa: Apodasmocrinus Bodacrinus Cataraquicrinus Daedalocrininae Daedalocrinus Difficilicrinus Drymocrinus Ectenocrinus Homocrininae Homocrinus Ibexocrinus Kastorcrinus Penicillicrinus Sygcaulocrinus Tunguskocrinus
Type: Homocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Silurian of Canada (4: Ontario, Quebec collections), United States (8: Illinois, Indiana, Missouri, New York)
• Ordovician of Canada (11: Ontario, Quebec, Québec), Sweden (1), United States (202: Illinois, Iowa, Iowa, Iowa, Illinois, Kentucky, Minnesota, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, Wyoming)
Total: 226 collections including 235 occurrences