Crinoidea - Diplobathrida - Rhodocrinitidae
Synonyms: Archaeocrinidae Moore and Laudon 1943, Spyridiocrinidae Jaekel 1918
Parent taxon: Rhodocrinitoidea according to J. Bohatý et al. 2024
See also Ausich 1998 and Ubaghs et al. 1978
Sister taxa: Anthracocrinidae, Callistocrinidae, Cleiocrinidae, Siderocrinus, Anthemocrinidae, Emperocrinidae, Opsiocrinidae, Paulocrinus
Subtaxa: Balacrinus
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (1 collection), Canada (1: Alberta), Poland (1), the United Kingdom (9), United States (67: Indiana, Iowa, Kentucky, New Mexico, Tennessee)
• Devonian of Argentina (1), Australia (4), Bolivia (2), Czechia (3), France (8), Germany (12), Italy (3), Luxembourg (1), South Africa (6), Spain (1), Tajikistan (2), the United Kingdom (2), United States (17: Indiana, Michigan, New York, Ohio)
• Silurian to Devonian of Tajikistan (1)
• Silurian of Canada (4: Quebec), the United Kingdom (3), United States (33: Illinois, Indiana, Iowa, New York, Ohio, Oklahoma, Tennessee, West Virginia, Wisconsin)
• Chazyan of Canada (2: Quebec)
• Whiterockian of Canada (1: Newfoundland)
• Ordovician of Canada (12: Ontario, Quebec), Spain (4), the United Kingdom (3), United States (58: California, Illinois, Illinois, Iowa, Iowa, Kentucky, Minnesota, Missouri, New York, Ohio, Oklahoma, Tennessee, Virginia, illinois)
Total: 262 collections including 327 occurrences