Bivalvia - Pectinida - Deltopectinidae
Full reference: C. C. Branson. 1930. Paleontology and stratigraphy of the Phosphoria Formation. Missouri University Studies 5(2):1-99
Parent taxon: Cyrtorostridae according to N. D. Newell and D.W. Boyd 1995
See also Bouchet et al. 2010 and Sepkoski 2002
Sister taxa: none
Subtaxa: Cyrtorostra atavum Cyrtorostra cardiiformis Cyrtorostra caucasica Cyrtorostra fraterna Cyrtorostra jisuensis Cyrtorostra laticostata Cyrtorostra limitans Cyrtorostra lunwalensis Cyrtorostra nana Cyrtorostra obeliscus Cyrtorostra omanensis Cyrtorostra primorica Cyrtorostra subexotica Cyrtorostra trifurcata Cyrtorostra varicostata
Type: Cyrtorostra varicostata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian to Triassic of India (3 collections)
• Permian of Australia (13), Canada (2: Nunavut), China (4), Greece (1), Greenland (1), India (3), Japan (1), Mexico (1), Mongolia (1), Nepal (1), Oman (1), Pakistan (19), the Russian Federation (18), United States (72: Idaho, Montana, Nevada, Texas, Utah, Wyoming)
Total: 141 collections including 147 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.