†family Gusarellidae Ovtsharenko 1976 (lamp shell)
Rhynchonellata - Terebratulida - Gusarellidae
Parent taxon: Zeillerioidea according to A. Williams et al. 2006
Sister taxa: Eudesiidae, Zeilleriidae
Subtaxa: Gusarella Protogusarella
Type: Gusarella
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Jurassic of Ukraine (1 collection), Uzbekistan (1)
• Triassic of United States (43: Idaho, Utah)
Total: 45 collections including 48 occurrences