| Praecardiida | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | †Praecardiida Newell. 1965 |
| Superfamilies | |
| |
| Synonyms | |
|
Praecardioida | |
Praecardiida is an extinct order of fossil saltwater clams, marine bivalve molluscs.