n = 18
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hippoglossus americanus | Gill, 1864 | Hippoglossus hippoglossus | Pleuronectidae | Atlantic halibut |
| Hippoglossus boscii | (Risso, 1810) | Lepidorhombus boscii | Scophthalmidae | Four-spot megrim |
| Hippoglossus brasiliensis | Ranzani, 1842 | Paralichthys brasiliensis | Paralichthyidae | Brazilian flounder |
| Hippoglossus californicus | Ayres, 1859 | Paralichthys californicus | Paralichthyidae | California flounder |
| Hippoglossus erumei | (Bloch & Schneider, 1801) | Psettodes erumei | Psettodidae | Indian halibut |
| Hippoglossus gigas | Swainson, 1839 | Hippoglossus hippoglossus | Pleuronectidae | Atlantic halibut |
| Hippoglossus grigorjewi | Herzenstein, 1890 | Eopsetta grigorjewi | Pleuronectidae | Shotted halibut |
| Hippoglossus groenlandicus | Günther, 1862 | Reinhardtius hippoglossoides | Pleuronectidae | Greenland halibut |
| Hippoglossus groenlandiensis | Günther, 1862 | Reinhardtius hippoglossoides | Pleuronectidae | Greenland halibut |
| Hippoglossus hippoglossus | (Linnaeus, 1758) | Hippoglossus hippoglossus | Pleuronectidae | Atlantic halibut |
| Hippoglossus hippoglossus camtchaticus | Rendahl, 1931 | Hippoglossus stenolepis | Pleuronectidae | Pacific halibut |
| Hippoglossus intermedius | Ranzani, 1842 | Syacium papillosum | Cyclopsettidae | Dusky flounder |
| Hippoglossus linnei | Malm, 1877 | Hippoglossus hippoglossus | Pleuronectidae | Atlantic halibut |
| Hippoglossus maximus | Gottsche, 1835 | Hippoglossus hippoglossus | Pleuronectidae | Atlantic halibut |
| Hippoglossus ocellatus | Poey, 1860 | Syacium micrurum | Cyclopsettidae | Channel flounder |
| Hippoglossus olivaceus | Temminck & Schlegel, 1846 | Paralichthys olivaceus | Paralichthyidae | Bastard halibut |
| Hippoglossus orthorhynchus | Richardson, 1846 | Psettodes erumei | Psettodidae | Indian halibut |
| Hippoglossus stenolepis | Schmidt, 1904 | Hippoglossus stenolepis | Pleuronectidae | Pacific halibut |