Genus Schuchertoceras Miller, 1932
Type species
Ascoceras anticostiensis Billings, 1866 . Junction cliff, Anticosti Island, Canada. Probably the Ellis Bay Formation, Hirnantian, Late Ordovician; by original designation.
Diagnosis
Ascoceratid cephalopods with basal non-ascoceroid septum between septum of truncation and the first ascoceroid septum in mature conch. (Adopted from Frye 1982.)