†family Modiomorphidae Miller 1877 (clam)
Full reference: S. A. Miller. 1877. The American Palaeozoic fossils: a catologue of the genera and species. 2nd ed. 1-293
Parent taxon: Modiomorphoidea according to J. G. Carter et al. 2011
Sister taxa: Coxiconchidae, Cypricardiniidae, Hippopodiumidae, Palaeopharidae, Tusayanidae
Subtaxa: Aristerella, Butovicellinae, Byssodesma, Cymatonota, Dceruska, Guerangeria, Healeyinae, Hippomya, Janicula, Joannininae, Liromytilus, Megambonia, Modiolopsinae, Modiomorphinae, Orthodesma, Parallelodus, Pholadomorpha, Prolobella, Pyanomya, Redonia, Saffordia, Semicorallidomus, Spathella, Sphenotomorpha, Taimyria, Tylophora, Whiteavesia
Type: Modiomorpha
Ecology: stationary epifaunal suspension feeder