†family Gemmellaroiidae Williams 1953 (lamp shell)
Strophomenata - Productida - Gemmellaroiidae
Alternative spelling: Gemmellaroiinae
Parent taxon: Richthofenioidea according to A. Williams et al. 2000
See also Muir-Wood and Cooper 1960
Sister taxa: Crania permiana, Cyclacanthariidae, Forma, Hercosiidae, Prorichthofenia, Prorichthofeniinae, Richthofeniidae
Subtaxa: Cyndalia Gemmellaroia Tectarea
Type: Gemmellaroia
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Greece (5 collections), Italy (9), Japan (1), the Russian Federation (1), Tunisia (3)
Total: 19 collections including 20 occurrences