Modiomorphida

{{Short description|Extinct order of bivalves}}

{{Automatic taxobox

| fossil_range =

| image = Saffordia sp. from Mount Horeb, Wisconsin.jpg

| image_caption = Saffordia sp. from Mount Horeb, Wisconsin

| display_parents = 2

| taxon = Modiomorphida

| authority = Newell 1969

| subdivision_ranks = Families

| subdivision = *†Modiomorphidae

• †Myoconchidae

| synonyms = Modiomorphoida

}}

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