†order Coronata Jaekel 1918 (blastoid)
Parent taxon: Coronoidea according to C. E. Brett et al. 1983
See also Regnéll 1945 and Sepkoski 2002
Sister taxa: none
Subtaxa: Stephanoblastidae Stephanocrinidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of United States (31: 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: 62 collections including 83 occurrences