Order Cetacea Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 723 743 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Phocoenoides dalli (True 1885) [Phocoena] dalli True 1885 , Proc. U. S. Natl. Mus., 8: 95 . Type Locality: USA , Alaska , "in the strait west of Adakh [sic] Island , one of the Aleutian group". Vernacular Names: Dall's Porpoise . Subspecies: : Subspecies Phocoenoides dalli subsp. dalli True 1885 Subspecies Phocoenoides dalli subsp. truei Andrews 1911 Distribution: North Pacific: cold-temperate waters. Conservation: CITES – Appendix II; IUCN – Lower Risk (cd). Discussion: Reviewed by Jefferson (1988 , Mammalian Species 319). Rice (1998:125) recognized P. d. dalli and P. d. truei (True’s Porpoise).