Blastoidea - Granatocrinida - Granatocrinidae
Parent taxon: Granatocrinida according to N. G. Lane et al. 2001
See also Beaver et al. 1967
Sister taxon: Schizoblastidae
Subtaxa: Carpenteroblastus Cribroblastus Cryptoblastus Decemoblastus Dentiblastus Granatocrinus Heteroblastus Mesoblastus Monadoblastus Poroblastus Ptychoblastus
Type: Granatocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Chesterian of United States (1: Tennessee collection)
• Osagean of United States (16: Alabama, Indiana, Iowa, Kentucky, Missouri, New Mexico)
• Carboniferous of Belgium (1), Canada (1: Alberta), the United Kingdom (1), United States (8: Illinois, Indiana, Iowa, Kentucky, Missouri)
• Devonian of China (1), United States (1: Missouri)
Total: 30 collections including 32 occurrences