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 Delphinapterus Lacépède 1804 Delphinapterus Lacépède 1804 , Hist. Nat. Cetacees: 241 . Type Species: Delphinapterus beluga Lacépède 1804 Synonyms: Argocetus Gloger 1842 ; Beluga Rafinesque 1815 . Species and subspecies: 1 species: Species Delphinapterus leucas (Pallas 1776) Discussion: Reviewed by Kleinenberg et al. (1969) and T . G. Smith et al. (1990).