†subfamily Nipponirhynchiinae Savage 1996 (lamp shell)
Rhynchonellata - Rhynchonellida - Wellerellidae
Parent taxon: Wellerellidae according to A. Williams et al. 2002
Sister taxa: Cirpinae, Exlaminellinae, Madarosiinae, Saubachia, Strigirhynchiinae, Tricoriinae, Trophisininae, Uncinunellininae, Wellerellinae
Subtaxa: Nipponirhynchia
Type: Nipponirhynchia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Japan (2 collections)
Total: 2 collections each including a single occurrence