Noun
type genus of the Balaenopteridae
Source: WordNetBlue Whale (Balaenoptera musculus): Eastern North Pacific Stock (NOAA Stock Reports, 2009), p. 178. Infrequently, this population visits the northwest Pacific between Kamchatka and the northern tip of Japan. Source: Internet
The blue whale is usually classified as one of eight species in the genus Balaenoptera; one authority places it in a separate monotypic genus, Sibbaldus, citation but this is not accepted elsewhere. Source: Internet