Type species. Benimehlalites brinkmanni Bockwinkel, Korn & Ebbighausen, 2010

Diagnosis. Shell thickly discoidal to pachyconic; early juveniles subevolute and subsequent decrease in relative umbilicus width; sudden opening of the umbilicus in the preadult stage. Suture with very narrow or narrow, diverging external lobe with sinuous flanks. Differs from Pachybollandoceras in the less evolute juveniles.