| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Leachia atlantica (Degner, 1925) |
Atlantic cranch squid | Atlantic Ocean | 20 |
| Leachia cyclura Lesueur, 1821 |
Leach's cranch squid | Atlantic Ocean | 20 |
| Leachia danae (Joubin, 1931) |
Eastern Central Pacific | ||
| Leachia dislocata Young, 1972 |
Pacific Ocean | 15 | |
| Leachia ellipsoptera (Adams & Reeve, 1848) |
Northern Atlantic | ||
| Leachia lemur (Berry, 1920) |
Atlantic Ocean | 7 | |
| Leachia pacifica (Issel, 1908) |
Pacific Ocean and Southeast Atlantic | ||
| Leachia rynchophorus (Rochebrune, 1884) |
Southwest Pacific and Southeast Atlantic |