There are currently four recognized species in this genus: •
Hippoglossoides dubius Schmidt, 1904 (Flathead flounder) •
Hippoglossoides elassodon Jordan &
Gilbert, 1880 (Flathead sole) •
Hippoglossoides platessoides (
O. Fabricius, 1780) (American plaice) •
Hippoglossoides robustus Gill &
Townsend, 1897 (Bering flounder) Three fossil species are also known: • †
Hippoglossoides kumaishi Sakamoto & Uyeno, 1991 (
Middle Miocene of Japan) • †
Hippoglossoides naritai Sakamoto & Uyeno, 1989 (Middle Miocene of Japan) • †
Hippoglossoides pristinus (
Jordan, 1927) (
Late Miocene of California, USA) == References ==