Diagnoza

A large ammonoid with sharply edged wide umbilicus found in sampleDz-2t, as well as others of unknown exact  provenance (Fig. 28F) may represent this species, known from Oberroidinghausen Bed 1, thus approximately the same horizon.

Porównanie

Autekologia

Występowanie geograficzne

Zasięg czasowy

Materiały muzealne

Literatura

Dzik, J. 1997. Emergence and succession of Carboniferous conodont and ammonoid communities in the Polish part of the Variscan sea. Acta Palaeontologica Polonica 42, 57-170.