†subfamily Periechocrininae Springer (Sea lily)
Crinoidea - Monobathrida - Batocrinidae
Parent taxon: Batocrinidae according to W. Goldring 1936
Sister taxa: Abatocrinus, Alloprosallocrinus, Azygocrinus, Bactocrininae, Batocrinus, Dizygocrinus, Eretmocrinus, Eutrochocrinus, Glannearycrinus, Gongylocrinus, Macrocrinus, Magnuscrinus, Simatocrinus, Uperocrinus
Subtaxa: Megistocrinus
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Carboniferous of the United Kingdom (1 collection), United States (2: Montana)
• Devonian of New Zealand (1), United States (12: Illinois, Indiana, Iowa, New York, Ohio)
Total: 16 collections each including a single occurrence