Rhynchonellata - Terebratulida - Dielasmatidae

Alternative combinations: Dielasma (Heterelasma) problematicum, Dielasma problematicum, Pakistania problematica, Terebratula problematica

Full reference: T. Davidson. 1862. On some Carboniferous Brachiopoda collected in India by A. Fleming, MD, and W. Purdon, Esq, FGS. Quarterly Journal of the Geological Society 18:25-35

Belongs to Whitspakia according to F.G. Stehli 1964

Sister taxa: Whitspakia biplex, Whitspakia breviplicatum, Whitspakia schucherti

Type specimen: Its type locality is Moosakhail (Fleming coll), which is in a Wuchiapingian marine limestone in the Wargal Formation of Pakistan

Average measurements (in mm): shell 32.3 x 20.2