| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Scapharca axelolssoni Macsotay & Campos, 2001 |
Western Atlantic | 5.33 | |
| Scapharca brasiliana (Lamarck, 1819) |
Western Atlantic | 4.1 | |
| Scapharca chemnitzii (Philippi, 1851) |
Western Central Atlantic | 2.2 | |
| Scapharca cornea (Reeve, 1844) |
Corneous ark | Western Pacific | 6 |
| Scapharca crassissima Macsotay, 2001 |
Western Atlantic | 12.88 | |
| Scapharca deyrollei Jousseaume, 1893 |
Western Pacific | ||
| Scapharca fultoni (Sowerby, 1907) |
Indo-Pacific | ||
| Scapharca globosa (Reeve, 1844) |
Globose ark | Western Pacific | 11.5 |
| Scapharca guangdongensis (Bernard, Cai & Morton, 1993) |
Western Pacific | ||
| Scapharca gubernaculum (Reeve, 1844) |
Western Pacific | ||
| Scapharca indica (Gmelin, 1791) |
Rudder ark | Indo-West Pacific. Climate | 5 |
| Scapharca japonica (Reeve, 1844) |
Western Pacific | ||
| Scapharca labiosa (Sowerby, 1833) |
Pacific Ocean | ||
| Scapharca pilula (Reeve, 1843) |
Pill ark | Indo-West Pacific | 4 |
| Scapharca troscheli (Dunker, 1882) |
Western Pacific |