Rhynchonellata - Terebratulida - Pseudodielasmatidae

Alternative combination: Dielasma nummulus

Full reference: W. Waagen. 1882. Productus Limestone Fossils, Part IV, fas. 1. Salt Range Fossils, Palaeontologia Indica, Series 13 1(4):329-390

Belongs to Fredericksolasma according to T. N. Smirnova 2007

Sister taxa: Fredericksolasma darvasica, Fredericksolasma lata, Fredericksolasma rhomboidale, Fredericksolasma sublaevis

Type specimen: Its type locality is Katta, basal Middle Productus-limestone (bed 12), Salt Range, which is in a Capitanian carbonate limestone in the Wargal Formation of Pakistan

Average measurements (in mm): shell 18.2 x 15.0, valve 7.78 x 7.17