ammonites
Terebratuloidea trifida Reed 1944 (lamp shell)

Rhynchonellata - Rhynchonellida - Allorhynchidae

Full reference: F. R. C. Reed. 1944. Brachiopoda and Mollusca from the Productus limestones of the Salt Range. Palaeontogica Indica, Memoirs of the Geological Survey of India, New Series 23(2):1-596

Belongs to Terebratuloidea according to F. R. C. Reed 1944

Sister taxa: Terebratuloidea beta, Terebratuloidea centroplicata, Terebratuloidea davidsoni, Terebratuloidea depressa, Terebratuloidea elegantula, Terebratuloidea inflata, Terebratuloidea lhunzhubica, Terebratuloidea mimula, Terebratuloidea minor, Terebratuloidea ornata, Terebratuloidea pengshuiensis, Terebratuloidea subaviformis, Terebratuloidea subdepressa, Terebratuloidea subornata, Terebratuloidea triplicata, Terebratuloidea xizangensis

Type specimen: GSI 16932, a shell. Its type locality is S of pt 2338 and 1 mile NE of Ghundi, Salt Range, which is in a Wuchiapingian carbonate limestone in the Wargal Formation of Pakistan.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 19.0 x 22.0