Parent taxon: Disparida according to G. D. Webster et al. 2025
Sister taxa: Allagecrinacea, Alphacrinidae, Anomalocrinacea, Athenacrinidae, Aureocrinus, Belemnocrinoidea, Brutopisocrinus, Calceocrinacea, Calceocrinida, Changninocrinus, Cincinnaticrinacea, Claviculacrinus, Dulkumocrinidae, Eustenocrinida, Gongrocrinus, Heterocrinacea, Heterocrinidae, Heterocrinoidea, Homocrinacea, Homocrinida, Macnamaratylus, Maennilicrinida, Metabolocrinus, Myelodactylacea, Myelodactylida, Paradoxocrinidae, Pentameri, Perittocrinacea, Perritocrinus, Pisocrinacea, Pisocrinida, Pisocrinoidea, Regnellicrinus, Resetocrinus, Taucatillocrinus, Tetragonocrinida, Tornatilicrinidae, Trichocrinus, Xisoallogecrinus
Subtaxa: none
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of Australia (18 collections), Indonesia (2), Italy (1), Oman (2), the Russian Federation (4), Thailand (1), United States (2: Nevada, Oklahoma)
• Carboniferous of China (1), the United Kingdom (3), United States (59: Alabama, Georgia, Illinois, Indiana, Kansas, Kentucky, Missouri, Montana, Nebraska, Oklahoma, Tennessee, Texas)
• Devonian of Australia (1), Germany (1), Mongolia (1), Morocco (1), United States (7: Missouri, New York), Uzbekistan (1)
• Silurian of United States (2: Missouri)
Total: 107 collections including 140 occurrences