| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Tridacna crocea Lamarck, 1819 |
Crocus giant clam | Indo-West Pacific | 15 |
| Tridacna derasa (Röding, 1798) |
Smooth giant clam | Indo-West Pacific | 60 |
| Tridacna gigas (Linnaeus, 1758) |
Giant clam | Indo-Pacific | 137 |
| Tridacna lorenzi Monsecour, 2016 |
Western Indian Ocean | 26 | |
| Tridacna maxima (Röding, 1798) |
Elongate giant clam | Indo-Pacific | 41.7 |
| Tridacna mbalavuana Ladd, 1934 |
Tevoro clam | Western Central Pacific | |
| Tridacna noae (Röding, 1798) |
Western Pacific | 28 | |
| Tridacna rosewateri Sirenho & Scarlato, 1991 |
Indo-West Pacific | ||
| Tridacna squamosa Lamarck, 1819 |
Fluted giant clam | Indo-Pacific | 45 |
| Tridacna squamosina Sturany, 1899 |
Indo-West Pacific | 32 |