n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Inegocia borboriensis | (Cuvier, 1829) | Inegocia japonica | Platycephalidae | Japanese flathead |
| Inegocia bosschei | (Bleeker, 1860) | Cymbacephalus bosschei | Platycephalidae | Small-eyed flathead |
| Inegocia chiltonae | (Schultz, 1966) | Thysanophrys chiltonae | Platycephalidae | Longsnout flathead |
| Inegocia crocodilus | (Tilesius, 1814) | Cociella crocodilus | Platycephalidae | Crocodile flathead |
| Inegocia guttata | (Cuvier, 1829) | Cociella crocodilus | Platycephalidae | Crocodile flathead |
| Inegocia harrisii | (McCulloch, 1914) | Inegocia harrisii | Platycephalidae | Harris's flathead |
| Inegocia isacanthus | (Cuvier, 1829) | Inegocia japonica | Platycephalidae | Japanese flathead |
| Inegocia japonica | (Cuvier, 1829) | Inegocia japonica | Platycephalidae | Japanese flathead |
| Inegocia ochiaii | Imamura, 2010 | Inegocia ochiaii | Platycephalidae |