Gatunek typowy
Nuculoceras nuculum Bisat, 1924

Opis

Conch subglobose to globose, narrowly umbilicate; sculpture consisting of strong transverse striae crossed by closely spaced longitudinal lirae, sometimes producing crenistriate pattern; transverse striae with ventrolateral salient and shallow ventral sinus;  ventral lobe narrow, with relatively low median saddle; first lateral saddle narrowly rounded; adventitious lobe relatively narrow, pointed, with straight sides.

Synonimy

Zasięg czasowy

Carboniferous, Bashkirian

Literatura

Bisat, W.S. 1924. The Carboniferous goniatites of the North of England and their zones. Proceedings of the Yorkshire Geological Society 20: 40-124.