WoRMS taxon details
Entosphenus tridentatus (Richardson, 1836)
314348 (urn:lsid:marinespecies.org:taxname:314348)
accepted
Species
Entosphenus epihexodon Gill, 1862 · unaccepted (synonym)
Lampetra tridentata (Richardson, 1836) · unaccepted (senior synonym)
Lampetra tridentatus (Richardson, 1836) · unaccepted (misspelling)
Petromyzon astori Girard, 1858 · unaccepted (synonym)
Petromyzon ciliatus Ayres, 1855 · unaccepted (synonym)
Petromyzon epihexodon (Gill, 1862) · unaccepted
Petromyzon lividus Girard, 1858 · unaccepted (synonym)
Petromyzon tridentatus Richardson, 1836 · unaccepted (synonym)
- Subspecies Entosphenus tridentatus tridentatus (Richardson, 1836) accepted as Entosphenus tridentatus (Richardson, 1836)
marine, brackish, fresh, terrestrial
(of Petromyzon tridentatus Richardson, 1836) Richardson, J. (1836). The Fish. In: Fauna Boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under the command of Sir John Franklin, R.N. <em>J. Bentley, London.</em> Part 3: i-xv + 1-327, Pls. 74-97. [Reference was incorrectly given as 1837; correct date is 1836 (WNE June 12, 2015).]. [details]
Froese, R. and D. Pauly. Editors. (2026). FishBase. Entosphenus tridentatus (Richardson, 1836). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=314348 on 2026-10-07
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Nomenclature
original description
(of Petromyzon ciliatus Ayres, 1855) Ayres, W. O. (1855). [Description of new fishes from California.]. <em>(Minutes of Academy meetings were printed in "The Pacific" (a newspaper) shortly after each meeting. New species date to publication in The Pacific. Dates of publication are given in each species account). The Pacific [newspaper].</em> v. 4 (nos 7-22). [Also appeared in Proc. Calif. Acad. Nat. Sci. v. 1.]. [details]
original description (of Entosphenus epihexodon Gill, 1862) Gill, T. N. (1862). Note on some genera of fishes of western North America. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 14: 329-332. [details]
original description (of Petromyzon astori Girard, 1858) Girard, C. F. (1858). Fishes. <em>In: General report upon zoology of the several Pacific railroad routes, 1857. In: Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, v. 10. Beverley Tucker, Washington, D.C.</em> Pp. i-xiv, 1-400, Pls. 7-8, 13-14, 17-18, 22c, 26, 29-30, 34, 37, 40-41, 48, 53, 59, 61, 64-65, 71. [details]
original description (of Petromyzon lividus Girard, 1858) Girard, C. F. (1858). Fishes. <em>In: General report upon zoology of the several Pacific railroad routes, 1857. In: Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, v. 10. Beverley Tucker, Washington, D.C.</em> Pp. i-xiv, 1-400, Pls. 7-8, 13-14, 17-18, 22c, 26, 29-30, 34, 37, 40-41, 48, 53, 59, 61, 64-65, 71. [details]
original description (of Petromyzon tridentatus Richardson, 1836) Richardson, J. (1836). The Fish. In: Fauna Boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under the command of Sir John Franklin, R.N. <em>J. Bentley, London.</em> Part 3: i-xv + 1-327, Pls. 74-97. [Reference was incorrectly given as 1837; correct date is 1836 (WNE June 12, 2015).]. [details]
basis of record Froese, R. & D. Pauly (Editors). (2026). FishBase. World Wide Web electronic publication. version (04/2025)., available online at https://www.fishbase.org [details]
original description (of Entosphenus epihexodon Gill, 1862) Gill, T. N. (1862). Note on some genera of fishes of western North America. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 14: 329-332. [details]
original description (of Petromyzon astori Girard, 1858) Girard, C. F. (1858). Fishes. <em>In: General report upon zoology of the several Pacific railroad routes, 1857. In: Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, v. 10. Beverley Tucker, Washington, D.C.</em> Pp. i-xiv, 1-400, Pls. 7-8, 13-14, 17-18, 22c, 26, 29-30, 34, 37, 40-41, 48, 53, 59, 61, 64-65, 71. [details]
original description (of Petromyzon lividus Girard, 1858) Girard, C. F. (1858). Fishes. <em>In: General report upon zoology of the several Pacific railroad routes, 1857. In: Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, v. 10. Beverley Tucker, Washington, D.C.</em> Pp. i-xiv, 1-400, Pls. 7-8, 13-14, 17-18, 22c, 26, 29-30, 34, 37, 40-41, 48, 53, 59, 61, 64-65, 71. [details]
original description (of Petromyzon tridentatus Richardson, 1836) Richardson, J. (1836). The Fish. In: Fauna Boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under the command of Sir John Franklin, R.N. <em>J. Bentley, London.</em> Part 3: i-xv + 1-327, Pls. 74-97. [Reference was incorrectly given as 1837; correct date is 1836 (WNE June 12, 2015).]. [details]
basis of record Froese, R. & D. Pauly (Editors). (2026). FishBase. World Wide Web electronic publication. version (04/2025)., available online at https://www.fishbase.org [details]
Ecology
ecology source
Looby, A.; Erbe, C.; Bravo, S.; Cox, K.; Davies, H. L.; Di Iorio, L.; Jézéquel, Y.; Juanes, F.; Martin, C. W.; Mooney, T. A.; Radford, C.; Reynolds, L. K.; Rice, A. N.; Riera, A.; Rountree, R.; Spriel, B.; Stanley, J.; Vela, S.; Parsons, M. J. G. (2023). Global inventory of species categorized by known underwater sonifery. <em>Scientific Data.</em> 10(1). (look up in IMIS), available online at https://doi.org/10.1038/s41597-023-02745-4 [details] 
Other
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
| Language | Name | |
|---|---|---|
| English | Pacific lamprey | [details] |
| Japanese | ミツバヤツメ | [details] |
| Russian | Трехзубая минога | [details] |
To Barcode of Life (14 barcodes)
To Biodiversity Heritage Library (1 publication) (from synonym Entosphenus tridentatus tridentatus (Richardson, 1836))
To Biodiversity Heritage Library (1 publication) (from synonym Petromyzon epihexodon (Gill, 1862))
To Biodiversity Heritage Library (10 publications) (from synonym Petromyzon lividus Girard, 1858)
To Biodiversity Heritage Library (11 publications) (from synonym Petromyzon astori Girard, 1858)
To Biodiversity Heritage Library (3 publications) (from synonym Lampetra tridentatus (Richardson, 1836))
To Biodiversity Heritage Library (39 publications) (from synonym Petromyzon tridentatus Richardson, 1836)
To Biodiversity Heritage Library (5 publications) (from synonym Entosphenus epihexodon Gill, 1862)
To Biodiversity Heritage Library (7 publications) (from synonym Petromyzon ciliatus Ayres, 1855)
To Biodiversity Heritage Library (72 publications)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Entosphenus tridentatus)
To FishBase (from synonym Lampetra tridentatus (Richardson, 1836))
To FishBase (from synonym Entosphenus tridentatus tridentatus (Richardson, 1836))
To FishBase
To FishBase (from synonym Petromyzon astori Girard, 1858)
To FishBase (from synonym Entosphenus epihexodon Gill, 1862)
To FishBase (from synonym Petromyzon epihexodon (Gill, 1862))
To FishBase (from synonym Petromyzon ciliatus Ayres, 1855)
To FishBase (from synonym Petromyzon tridentatus Richardson, 1836)
To FishBase (from synonym Petromyzon lividus Girard, 1858)
To GenBank (289 nucleotides; 292 proteins) (from synonym Petromyzon tridentatus Richardson, 1836)
To GenBank (289 nucleotides; 292 proteins) (from synonym Lampetra tridentata (Richardson, 1836))
To GenBank (289 nucleotides; 292 proteins)
To IUCN Red List (Least Concern)
To NMNH Extant Collection (Lampetra tridentata USNM 369168 photograph 1 of 6 specimens)
To ITIS
To Biodiversity Heritage Library (1 publication) (from synonym Entosphenus tridentatus tridentatus (Richardson, 1836))
To Biodiversity Heritage Library (1 publication) (from synonym Petromyzon epihexodon (Gill, 1862))
To Biodiversity Heritage Library (10 publications) (from synonym Petromyzon lividus Girard, 1858)
To Biodiversity Heritage Library (11 publications) (from synonym Petromyzon astori Girard, 1858)
To Biodiversity Heritage Library (3 publications) (from synonym Lampetra tridentatus (Richardson, 1836))
To Biodiversity Heritage Library (39 publications) (from synonym Petromyzon tridentatus Richardson, 1836)
To Biodiversity Heritage Library (5 publications) (from synonym Entosphenus epihexodon Gill, 1862)
To Biodiversity Heritage Library (7 publications) (from synonym Petromyzon ciliatus Ayres, 1855)
To Biodiversity Heritage Library (72 publications)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Entosphenus tridentatus)
To FishBase (from synonym Lampetra tridentatus (Richardson, 1836))
To FishBase (from synonym Entosphenus tridentatus tridentatus (Richardson, 1836))
To FishBase
To FishBase (from synonym Petromyzon astori Girard, 1858)
To FishBase (from synonym Entosphenus epihexodon Gill, 1862)
To FishBase (from synonym Petromyzon epihexodon (Gill, 1862))
To FishBase (from synonym Petromyzon ciliatus Ayres, 1855)
To FishBase (from synonym Petromyzon tridentatus Richardson, 1836)
To FishBase (from synonym Petromyzon lividus Girard, 1858)
To GenBank (289 nucleotides; 292 proteins) (from synonym Petromyzon tridentatus Richardson, 1836)
To GenBank (289 nucleotides; 292 proteins) (from synonym Lampetra tridentata (Richardson, 1836))
To GenBank (289 nucleotides; 292 proteins)
To IUCN Red List (Least Concern)
To NMNH Extant Collection (Lampetra tridentata USNM 369168 photograph 1 of 6 specimens)
To ITIS
Unreviewed
Hosted externally
