Entosphenus
{{Short description|Genus of jawless fishes}}
{{Automatic taxobox
| name =
| image =
| image_caption =
| taxon = Entosphenus
| authority = Gill, 1862
| type_species = Entosphenus tridentatus
| type_species_authority = (Richardson 1836)
}}
Entosphenus is a genus of lampreys.
Species
Six species in this genus are recognized:{{FishBase genus | genus = Entosphenus| month = September | year = 2024}}
- Entosphenus folletti Vladykov & Kott, 1976 (Modoc brook lamprey)
- Entosphenus lethophagus (C. L. Hubbs, 1971) (Pit-Klamath brook lamprey)
- Entosphenus macrostomus (Beamish, 1982) (Vancouver lamprey)
- Entosphenus minimus (C. E. Bond & T. T. Kan, 1973) (Miller Lake lamprey)
- Entosphenus similis Vladykov & Kott, 1979 (Klamath river lamprey)
- Entosphenus tridentatus (J. Richardson, 1836) (Pacific lamprey)