n = 12
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Onigocia bimaculata | Knapp, Imamura & Sakashita, 2000 | Onigocia bimaculata | Platycephalidae | Two-spotted flathead |
| Onigocia grandisquama | (Regan, 1908) | Onigocia grandisquama | Platycephalidae | |
| Onigocia grandisquamis | (Regan, 1908) | Onigocia grandisquama | Platycephalidae | |
| Onigocia lacrimalis | Imamura & Knapp, 2009 | Onigocia lacrimalis | Platycephalidae | Smooth-snout flathead |
| Onigocia macrocephala | (Weber, 1913) | Genus Species | New species | |
| Onigocia macrolepis | (Bleeker, 1854) | Onigocia macrolepis | Platycephalidae | Notched flathead |
| Onigocia oligolepis | (Regan, 1908) | Onigocia oligolepis | Platycephalidae | Large-scale flathead |
| Onigocia pedimacula | (Regan, 1908) | Onigocia pedimacula | Platycephalidae | Broadband flathead |
| Onigocia pedimaculata | (Regan, 1908) | Onigocia pedimacula | Platycephalidae | Broadband flathead |
| Onigocia sibogae | Imamura, 2011 | Onigocia sibogae | Platycephalidae | |
| Onigocia spinosa | (Temminck & Schlegel, 1843) | Onigocia spinosa | Platycephalidae | Midget flathead |
| Onigocia tuberculatus | (Cuvier, 1829) | Sorsogona tuberculata | Platycephalidae | Tuberculated flathead |