Tridacna derasa
| Tridacna derasa | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Cardiida |
| Family: | Cardiidae |
| Genus: | Tridacna |
| Species: | T. derasa |
| Binomial name | |
| Tridacna derasa (Röding, 1798) | |
Tridacna derasa, the southern giant clam or smooth giant clam, is a species of extremely large marine clam in the family Cardiidae.