Diagnoza

Suture with bulbous lobes and saddles, additional ventral and flank lobes of subequal depth; rather globose conch.

Porównanie

Sporadoceras orbiculare (Münster, 1832) as interpreted by Korn (1999; Korn and Klug 2002) may represent a connecting link between S. nux and S. terminus sp. n., being intermedioate in its geological age and in the inferred conch globosity at comparable stages of the ontogeny.

Autekologia

Występowanie geograficzne

P. jugosus (possibly also D. trigonica) Zone. 

Zasięg czasowy

Kowala and Dzikowiec.

Materiały muzealne

ZPAL: 10 specimens.

Literatura

Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359.