| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Idiosepius biserialis Voss, 1962 |
Western Indian Ocean | 1.05 | |
| Idiosepius kijimuna Reid, Sato, Jolly & Strugnell, 2023 |
Ryukyu pygmy squid | Northwest Pacific | 0.81 |
| Idiosepius macrocheir Voss, 1962 |
Western Indian Ocean | ||
| Idiosepius minimus (D'Orbigny, 1835) |
Coast of Africa | ||
| Idiosepius notoides Berry, 1921 |
Southern pygmy squid | Indo-Pacific | 1.58 |
| Idiosepius paradoxus (Ortmann, 1888) |
Northern pygmy squid | Western Pacific | 1.6 |
| Idiosepius picteti (Joubin, 1894) |
Western Central Pacific | 1.7 | |
| Idiosepius pygmaeus Steenstrup, 1881 |
Two-tone pygmy squid | Indo-West Pacific | 1.517 |
| Idiosepius thailandicus Chotiyaputta, Okutani, & Chaitiamvong, 1991 |
Indo-West Pacific |