Modiomorphida

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

Genera

 * †Ananterodonta
 * †Brahcylyrodesma
 * †Carminodonta
 * †Celtoconcha
 * †Cycloconchacea
 * †Dulcineaia
 * †Eurymya
 * †Fortowensia
 * †Goniophora
 * †Junjagiana
 * †Modiomorphoidea
 * †Moridunia
 * †Neofordilla
 * †Plicatomorpha
 * †Rimmyjmima
 * †Saffordia
 * †Tromelinodonta
 * †Whiteavesia