Aethalodelphis obliquidens
(Gill, 1865)
Pacific White-sided Dolphin
Distribution :
North Pacific: cold-temperate waters except warm-temperate waters of the ends of its range. Undocumented sighting from Hong Kong.
Image courtesy of the ASM Mammal Images Library · MIL ID: 433
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
Authority citation
Gill, T.N. 1865-12-26. On two species of Delphinidæ, from California, in the Smithsonian Institution. Proceedings of the Academy of Natural Sciences of Philadelphia 17(4):177-178.
Authority publication link
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
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, R.L., Jr., Cipriano, F., Mead, J.G., Reeves, R.R., Soldevilla, M.S. and Williams, R. 2019. Taxonomic revision of the dolphin genus Lagenorhynchus. Marine Mammal Science 35(3):957-1057. doi:10.1111/mms.12573 · 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
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.
Total: 6 names and synonyms.
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