Crinoidea - Disparida - Athenacrinidae
Full reference: T. E. Guensburg, J. Sprinkle, R. Mooi, B. Lefebvre, B. David, M. Roux, and K. Derstler. 2020. Athenacrinus n. gen. and other early echinoderm taxa inform crinoid origin and arm evolution. Journal of Paleontology 94(2):311-333
Parent taxon: Disparida according to T. E. Guensburg et al. 2020
Sister taxa: Allagecrinacea, Allagecrinoidea, Alphacrinidae, Anomalocrinacea, 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, Tetragonocrinida, Tornatilicrinidae, Xisoallogecrinus
Subtaxa: Athenacrinus
Type: Athenacrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: found only at C-13 (Ordovician of Utah)