†subfamily Hemiptychininae Campbell 1965 (lamp shell)
Rhynchonellata - Terebratulida - Gillediidae
Parent taxon: Gillediidae according to A. Williams et al. 2006
Sister taxa: Gillediinae, Mongolina
Subtaxa: Costoconcha Hemiptychina Latiflexa Parahemiptychina Pseudojisuina Sichuanothyris
Type: Hemiptychina
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Triassic of China (2 collections)
• Permian of Armenia (3), Australia (2), Azerbaijan (1), China (24), India (2), Indonesia (1), Italy (2), Oman (1), Pakistan (152), the Russian Federation (8), Slovenia (1), Thailand (9), Ukraine (2), United States (9: Nevada, Utah, Wyoming)
• Carboniferous of China (1)
Total: 220 collections including 317 occurrences