Cephalopoda - Tarphycerida - Estonioceratidae

Alternative combination: Lituites farnsworthi

Belongs to Aphetoceras according to E. O. Ulrich et al. 1942

Sister taxa: Aphetoceras americanum, Aphetoceras attenuatum, Aphetoceras boreale, Aphetoceras evolutum, Aphetoceras oderi, Aphetoceras ruedemanni, Aphetoceras subcostulatum

Ecology: fast-moving nektobenthic carnivore