Notogoneus
Image:Notogoneus osculus.png|thumb|Adult Notogoneus osculus from Fossil Butte National Monument. Specimen is 52 cm long.
Notogoneus is an extinct genus of prehistoric ray-finned fish. A trace fossil attributed to Notogoneus osculus has been found in the Green River Formation.
Species
- †Notogoneus cuvieri
- †Notogoneus gracilis Sytchevskaya, 1986
- †Notogoneus janeti Priem, 1908
- †Notogoneus longiceps von Meyer, 1848
- †Notogoneus maarvelis Grande, 2022
- †Notogoneus montanensis Grande and Grande, 1999
- †Notogoneus osculus Cope, 1885
- †Notogoneus parvus Hills, 1934
- †Notogoneus squamosseus Blainville, 1818