†Spirigerella numismalis longa Reed 1944 (lamp shell)
Rhynchonellata - Athyridida - Athyrididae
Alternative combination: Spirigerella longa
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 Spirigerella numismalis according to T. A. Grunt 1980
See also Reed 1944
Sister taxa: none
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Pakistan (2 collections)
Total: 2 collections each including a single occurrence