Bivalvia - Pectinida - Annuliconchidae
Full reference: N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95
Parent taxon: Heteropectinoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010 and Newell and Boyd 1995
Sister taxa: Antijaniridae, Heteropectinidae, Hunanopectinidae, Limipectinidae, Ornithopectinidae
Subtaxa: Annuliconcha
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of China (1 collection), Italy (3), Japan (4), the Russian Federation (3), Tunisia (1), United States (42: California, Montana, Texas)
• Carboniferous to Permian of United States (2: California)
• Carboniferous of United States (12: Alabama, California, Missouri)
Total: 68 collections including 75 occurrences