Blastoidea - Fissiculata - Phaenoschismatidae
Parent taxon: Fissiculata according to G. D. Webster and G. D. Sevastopulo 2007
See also Beaver et al. 1967, Fay and Wanner 1967 and Jell 1983
Sister taxa: Angulatoblastus, Artuschisma, Astrocrinidae, Brachyschismatidae, Codasteridae, Dolichoblastus, Kazachstanoblastus, Leptoschisma, Mastoblastus, Neoschismatidae, Nymphaeoblastidae, Orophocrinidae, Pachyblastus, Tympanoblastus, Xenoblastus
Subtaxa: Caryoblastus Cryptoschisma Decaschisma Deltoschisma Dipteroblastus Hadroblastus Heteroschisma Junggaroblastus Koryschisma Microblastus Nymphaeoblastus Pentremitidea Phaenoblastus Phaenoschisma Pleuroschisma Polydeltoideus Sphaeroschisma Sphagoblastus Sundablastus Thaumatoblastus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of Australia (4 collections), Timor-Leste (1)
• Carboniferous of Belgium (1), Ireland (1), Kazakhstan (1), United States (10: Arkansas, Indiana, Kentucky, Missouri, New Mexico, Tennessee)
• Devonian of Australia (2), Canada (2: Ontario), China (2), Czechia (1), Mongolia (1), Morocco (1), Spain (2), United States (9: Indiana, Kentucky, New York, Tennessee)
• Silurian of United States (14: Indiana, Iowa, Oklahoma, Tennessee)
Total: 52 collections including 60 occurrences