†family Tusayanidae Scarlato and Starobogatov 1979 (clam)
Bivalvia - Modiomorphida - Tusayanidae
Parent taxon: Modiomorphoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Coxiconchidae, Cypricardiniidae, Hippopodiumidae, Modiomorphidae, Palaeopharidae
Subtaxa: Tusayana
Ecology: stationary semi-infaunal suspension feeder
Distribution: found only at Island Mesa Tank, Yavapai County (Devonian of Arizona)