†family Stephanocrinidae Wachsmuth and Springer 1886 (blastoid)
Blastoidea - Coronata - Stephanocrinidae
Parent taxon: Coronata according to C. E. Brett et al. 1983
See also Ubaghs et al. 1978
Sister taxon: Stephanoblastidae
Subtaxa: Cupulocorona Mespilocystites Stephanoblastus Stephanocrinus
Type: Stephanocrinus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of United States (29: Arkansas, Indiana, Iowa, New York, Tennessee, Wisconsin collections)
• Dobrotivian of Spain (1)
• Letna of Czechia (1)
• Ordovician to Silurian of the United Kingdom (1)
• Ordovician of Czechia (8), Italy (3), Portugal (2), Spain (6), Sweden (2), the United Kingdom (7)
Total: 60 collections including 79 occurrences