Parent taxon: Isocrinida according to H. Hess and C. G. Messing 2011
See also Donovan 1994, Donovan et al. 1993, Hess 2012 and Rasmussen 1961
Sister taxa: Echicrinus, Pentacrinitina, Polycerus, Siliesiacrinus
Subtaxa: Cainocrinidae Isocrinidae Isselicrinidae Proisocrinidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Jamaica (1 collection)
• Miocene of Cuba (1), Jamaica (1), Japan (1), Spain (1)
• Oligocene of Germany (1), New Zealand (1), United States (6: Oregon, Washington)
• Eocene to Oligocene of United States (1: Oregon)
• Eocene of Antarctica (12), Egypt (1), France (5), Italy (2), Jamaica (1), New Zealand (3), Spain (1), the United Kingdom (4), United States (9: Oregon, Washington)
• Paleocene of Antarctica (1), Denmark (2), New Zealand (1), United States (2: New Jersey)
• Cretaceous to Paleogene of the Netherlands (2)
• Cretaceous of Austria (1), Belgium (2), Cuba (1), Czechia (7), France (13), Germany (4), Greenland (2), Hungary (2), Japan (14), Mexico (1), the Netherlands (2), New Zealand (1), Oman (1), Poland (7), Spain (1), Switzerland (1), the United Kingdom (28), United States (4: California)
• Jurassic of Austria (1), China (1), France (30), Germany (27), Greenland (5), India (2), Luxembourg (2), Montenegro (1), New Zealand (2), Peru (1), Poland (9), Portugal (1), Romania (1), Saudi Arabia (3), Switzerland (13), Ukraine (1), the United Arab Emirates (1), the United Kingdom (40), United States (4: Utah, Wyoming)
• Triassic of Austria (2), Canada (5: British Columbia), China (29), Colombia (1), France (1), Germany (2), Hungary (3), Indonesia (2), Iran (3), Italy (17), New Zealand (3), Peru (6), Slovenia (3), Timor-Leste (1), United States (16: Alaska, California, Nevada, Utah)
• Permian of Australia (1)
Total: 392 collections including 515 occurrences