| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Panopea abbreviata (Valenciennes, 1839) |
Southern geoduck | Endemic to Southwest Atlantic | 11 |
| Panopea abrupta (Conrad, 1849) |
Pacific geoduck clam | Pacific Ocean | |
| Panopea aldrovandi Ménard, 1807 |
Eastern Central Atlantic and the Mediterranean | ||
| Panopea bitruncata (Conrad, 1872) |
Atlantic geoduck | North America | 19 |
| Panopea generosa (Gould, 1850) |
Pacific geoduck | Eastern Pacific | 17.5 |
| Panopea globosa Dall, 1898 |
Mexican geoduck | Eastern Central Atlantic | 19.8 |
| Panopea glycimeris (Born, 1778) |
Aldrovandi's panope | Mediterranean Sea | |
| Panopea japonica Adams, 1850 |
Northwest Pacific | 16 | |
| Panopea smithae Powell, 1950 |
Southwest Pacific | ||
| Panopea zelandica (Quoy & Gaimard, 1835) |
New Zealand geoduck clam | Southwest Pacific |