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
See also Huang 1933, Liao 1987, Reed 1944 and Waagen 1882
Sister taxa: Fredericksolasma darvasica, Fredericksolasma lata, Fredericksolasma rhomboidalis, 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
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of China (6 collections), Pakistan (14)
Total: 20 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.