†subfamily Cryptorhynchiinae Shi and Grant 1993 (lamp shell)
Rhynchonellata - Rhynchonellida - Erymnariidae
Full reference: X. Shi and R. E. Grant. 1993. Jurassic rhynchonellids: internal structures and taxonomic revisions. Smithsonian Contributions to Paleobiology 73:1-190
Parent taxon: Erymnariidae according to A. Williams et al. 2002
Sister taxa: Calvirhynchiinae, Costerymnaria, Erymnariinae, Septocrurellinae
Subtaxa: Aethirhynchia Crurirhynchia Cryptorhynchia Dierisma
Type: Cryptorhynchia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jurassic of China (1 collection), India (13), Italy (3), Madagascar (8), United States (1: Idaho)
• Triassic of China (9), the Russian Federation (3)
Total: 38 collections including 41 occurrences