Crinoidea - Isocrinida - Isocrinidae
Parent taxon: Isocrinina according to H. Hess and C. G. Messing 2011
See also Donovan et al. 1993, Donovan et al. 2005, Hess 2012, Hess and Gale 2010, Hunter et al. 2011, Jäger 1985, Rasmussen 1961, Stilwell et al. 1994 and Ubaghs et al. 1978
Sister taxa: Cainocrinidae, Isselicrinidae, Proisocrinidae
Subtaxa: Archaeoisocrinus Balanocrininae Chariocrinus Isocrininae Isocrinus parvus Neocrinus Pentacrinus exilis Pentacrinus fairbanksi Pentacrinus stellatus Pentacrinus tehamaensis Tauriniocrinus
Type: Isocrinus
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Miocene of Cuba (1 collection), Jamaica (1), Spain (1)
• Oligocene of Germany (1), United States (6: Oregon, Washington)
• Eocene to Oligocene of United States (1: Oregon)
• Eocene of Jamaica (1), New Zealand (3), United States (9: Oregon, Washington)
• Paleocene of Denmark (1)
• Cretaceous to Paleogene of the Netherlands (1)
• Cretaceous of the Czech Republic (7), France (13), Germany (2), Greenland (2), Hungary (2), Japan (13), Poland (2), Spain (1), Switzerland (1), the United Kingdom (28), United States (4: California)
• Jurassic of Austria (1), Bosnia and Herzegovina (1), China (1), France (30), Germany (27), Greenland (5), India (2), Luxembourg (2), New Zealand (2), Peru (1), Poland (8), 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), East Timor (1), France (1), Germany (2), Hungary (3), Indonesia (2), Iran (3), Italy (17), New Zealand (3), Peru (6), Slovenia (3), United States (16: Alaska, California, Nevada, Utah)
• Permian of Australia (1)
Total: 340 collections including 446 occurrences