Cephalopoda - Goniatitida - Thalassoceratidae

Alternative combination: Thalassoceras biforme

Belongs to Prothalassoceras according to M. F. Bogoslovskaya et al. 1995

Sister taxa: Prothalassoceras bashkiricum, Prothalassoceras bostocki, Prothalassoceras caddoense, Prothalassoceras inflatum, Prothalassoceras jaikense, Prothalassoceras kingorum, Prothalassoceras notabile, Prothalassoceras sangvorense, Prothalassoceras serratum, Prothalassoceras solitum, Prothalassoceras welleri

Type specimen: PIN 472/118

Average measurements (in mm): shell width 10.8, shell diameter 26.5