Modiomorphida

Modiomorphida is an extinct order of fossil saltwater clams, marine bivalve molluscs.

Modiomorphida
Saffordia sp. from Mount Horeb, Wisconsin
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Subterclass:	Euheterodonta
Superorder:	Imparidentia
Order:	†Modiomorphida Newell 1969
Families
†Modiomorphidae †Myoconchidae
Synonyms
Modiomorphoida