†Aphetoceras Hyatt 1894 (mollusk)
Cephalopoda - Tarphycerida - Estonioceratidae
PaleoDB taxon number: 13350
Full reference: A. Hyatt. 1894. Phylogeny of an acquired characteristic. Proceedings of the American Philosophical Society 32(143):349-647
Parent taxon: Estonioceratidae according to D.H. Evans 2011
Sister taxa: Aethoceras, Alaskoceras, Clytoceras, Deltoceras, Eichwaldoceras, Estonioceras, Pycnoceras, Shumardoceras, Tragoceras
Subtaxa: Aphetoceras americanum, Aphetoceras attenuatum, Aphetoceras boreale, Aphetoceras evolutum, Aphetoceras farnsworthi, Aphetoceras oderi, Aphetoceras ozarkensis, Aphetoceras ruedemanni, Aphetoceras subcostulatum
Type: Aphetoceras americanum
Ecology: fast-moving nektobenthic carnivore