Praecardiida
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	†Praecardiida Newell. 1965
Superfamilies
Superfamily †Praecardioidea Family †Buchiolidae Family †Praecardiidae Superfamily †Cardioloidea Family †Cardiolidae Family †Slavidae
Synonyms
Praecardioida

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

• "Praecardioida". Paleobiology Database. Retrieved 25 November 2016.
• "Praecardiida". The Encyclopedia of Life.

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