Aethalodelphis obliquidens

(Gill, 1865)

Pacific White-sided Dolphin

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Laurasiatheria
Order : Artiodactyla
Suborder : Cetacea
Infraorder : Odontoceti
Superfamily : Delphinoidea
Family : Delphinidae
Subfamily : Lissodelphininae
Genus : Aethalodelphis

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Gill, T.N. 1865-09-26. On two species of Delphinidæ, from California, in the Smithsonian Institution. Proceedings of the Academy of Natural Sciences of Philadelphia 17:177-178.

Authority publication link

https://www.biodiversitylibrary.org/page/1682274

Original name as described

Lagenorhynchus obliquidens

Other common names

Hook-finned Porpoise · Pacific Striped Porpoise · Pacific White-striped Dolphin

Type material

USNM:MAMM:A1961, USNM:MAMM:A1962, USNM:MAMM:A1963

Type kind

syntypes

Type specimen URI

http://n2t.net/ark:/65665/394254523-a4d1-4a10-bbd7-3d93d6a0acdc http://n2t.net/ark:/65665/3cbd3f51d-bfe5-49e6-a54c-24ac777f8091 http://n2t.net/ark:/65665/3cbeb4180-dbeb-4831-9ace-cf5d183e9604

Type locality

"obtained at San Francisco, California, " USA.

Biogeographic realm

Marine

Country distribution

Canada · China · Japan · North Korea · South Korea · Mexico · Russia · Taiwan · United States

Subregion distribution

USA(CA, OR, WA, AK)

Taxonomy notes

moved from Lagenorhynchus to Sagmatias, and more recently to Aethalodelphis

Taxonomy notes citation

Vollmer, N. L., Ashe, E., Brownell Jr, R. L., Cipriano, F., Mead, J. G., Reeves, R. R., ... & Williams, R. (2019). Taxonomic revision of the dolphin genus Lagenorhynchus. Marine Mammal Science, 35(3), 957-1057. · Galatius, A., Kinze, C.C., Olsen, M.T., Tougaard, J., Gotzek, D. and McGowen, M.R. 2025. Phylogenomic, morphological and acoustic data support a revised taxonomy of the lissodelphinine dolphin subfamily. Molecular Phylogenetics and Evolution 205:108299. doi:10.1016/j.ympev.2025.108299

IUCN Red List status

Not Evaluated

Species Permalink

https://www.mammaldiversity.org/taxon/1006428

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Lagenorhynchus obliquidens

(Gill, 1865)

Family

Delphinidae

Root name

obliquidens

Validity status

species

Nomenclatural status

available

Type

USNM:MAMM:A1961, USNM:MAMM:A1962, USNM:MAMM:A1963

Type kind

syntypes

Type specimen URI

http://n2t.net/ark:/65665/394254523-a4d1-4a10-bbd7-3d93d6a0acdc http://n2t.net/ark:/65665/3cbd3f51d-bfe5-49e6-a54c-24ac777f8091 http://n2t.net/ark:/65665/3cbeb4180-dbeb-4831-9ace-cf5d183e9604

Authority page

177

Authority page URI

https://www.biodiversitylibrary.org/page/1682274

Authority publication

Proceedings of the Academy of Natural Sciences of Philadelphia

Name usages

  1. True (1885:589, https://www.biodiversitylibrary.org/page/7306383) (information at https://hesperomys.com/a/35039)
  2. Trouessart (1898:1039, https://www.biodiversitylibrary.org/page/53436252) (information at https://hesperomys.com/a/59287)
  3. Bailey (1936:346, https://www.biodiversitylibrary.org/page/25806281) (information at https://hesperomys.com/a/35313)
  4. Davies (1963:111) (information at https://hesperomys.com/a/42155)
  5. Hershkovitz (1966:70, https://www.biodiversitylibrary.org/page/7869912) (information at https://hesperomys.com/a/11469)
  6. Corbet & Hill (1980:110) (information at https://hesperomys.com/a/63069)
  7. Honacki, Kinman & Koeppl (1982:293) (information at https://hesperomys.com/a/63071)
  8. Corbet & Hill (1991:119) (information at https://hesperomys.com/a/63070)
  9. Mead & Brownell (1993:354) (information at https://hesperomys.com/a/69010)
  10. Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)
  11. Mittermeier & Wilson (2014:491) (information at https://hesperomys.com/a/67175)
  12. Bradley, Ammerman, Baker, Bradley, Cook, Dowler, Jones, Schmidly, Stangl, Van Den Bussche & Würsig (2014:15, https://www.biodiversitylibrary.org/page/57785983) (information at https://hesperomys.com/a/19157)
  13. Mammal Diversity Database (2018:ID #11145) (information at https://hesperomys.com/a/67336)
  14. Mammal Diversity Database (2019:ID #11145) (information at https://hesperomys.com/a/67337)
  15. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/11145/50361866) (information at https://hesperomys.com/a/67246)

Delphinus longidens

(Cope, 1866)

Family

Delphinidae

Root name

longidens

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:A3886

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3ca1271b0-bfd8-4a80-aa71-87bbd0c24265

Authority page

295

Authority page URI

https://www.biodiversitylibrary.org/page/1861755

Authority publication

Proceedings of the Academy of Natural Sciences of Philadelphia

Name usages

  1. Cope (1866:295, https://www.biodiversitylibrary.org/page/1861755) (information at https://hesperomys.com/a/69324)
  2. Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)

Delphinus obliquidens

(J. E. Gray, 1871)

Family

Delphinidae

Root name

obliquidens

Validity status

synonym

Nomenclatural status

name_combination

Authority page

69

Authority page URI

https://www.biodiversitylibrary.org/page/15945502

Authority publication

British Museum Catalogue

Name usages

Gray (1871:69, https://www.biodiversitylibrary.org/page/15945502) (information at https://hesperomys.com/a/37256)

Lagenorhynchus ognevi

(Sleptsov, 1955)

Family

Delphinidae

Root name

ognevi

Validity status

synonym

Nomenclatural status

available

Type

ZMMU S-60152

Type kind

syntypes

Authority page

60

Authority publication

Труды института океанологии АН СССР

Name usages

Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)

Sagmatias obliquidens

(LeDuc, Perrin, & Dizon, 1999)

Family

Delphinidae

Root name

obliquidens

Validity status

synonym

Nomenclatural status

name_combination

Authority page

639

Authority publication

Marine Mammal Science

Name usages

  1. LeDuc, Perrin & Dizon (1999:639) (information at https://hesperomys.com/a/987)
  2. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1006428) (information at https://hesperomys.com/a/67250)

Aethalodelphis obliquidens

Galatius, Kinze, M. T. Olsen, Tougaard, Gotzek, & McGowen, 2025

Family

Delphinidae

Root name

obliquidens

Validity status

synonym

Nomenclatural status

name_combination

Authority page

7

Authority publication

Molecular Phylogenetics and Evolution

Name usages

Galatius, Kinze, Olsen, Tougaard, Gotzek & McGowen (2025:7) (information at https://hesperomys.com/a/70019)

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