Crinoidea - Diplobathrida - Rhodocrinitidae
Synonyms: Archaeocrinidae Moore and Laudon 1943, Spyridiocrinidae Jaekel 1918
Parent taxon: Rhodocrinitoidea according to S. R. Cole et al. 2018
See also Ausich 1998 and Ubaghs et al. 1978
Sister taxa: Anthracocrinidae, Callistocrinidae, Cleiocrinidae, Opsiocrinidae, Emperocrinidae, Paulocrinus, Anthemocrinidae, Siderocrinus
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 (58: Alabama, Indiana, Iowa, Kentucky, Tennessee)
• Devonian of Argentina (1), Australia (4), Bolivia (2), the Czech Republic (2), France (8), Germany (9), Italy (3), Luxembourg (1), South Africa (6), Spain (1), Tajikistan (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)
• Whiterockian of Canada (1: Newfoundland)
• Ordovician of Canada (7: Ontario, Quebec), Spain (4), the United Kingdom (2), United States (57: California, Illinois, Illinois, Iowa, Iowa, Kentucky, Minnesota, Missouri, New York, Ohio, Oklahoma, Tennessee, Virginia, illinois)
Total: 238 collections including 301 occurrences