Laevicardium
| Laevicardium | |
|---|---|
| A whole preserved specimen of Laevicardium oblongum | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Bivalvia | 
| Order: | Cardiida | 
| Family: | Cardiidae | 
| Genus: | Laevicardium Swainson, 1840 | 
Laevicardium, common name "egg cockles", is a genus of saltwater clams or cockles, marine bivalve molluscs in the family Cardiidae, the cockles. They are unusual among the cockles in that they have smooth, rounded, "egg-like" valves.