Eschrichtius

Eschrichtius is a genus of baleen whale containing two species: the gray whale (E. robustus) and the extinct Akishima whale (E. akishimaensis).^[2]

Eschrichtius Temporal range: 3.7–0 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Gray whale spy-hopping next to calf
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	Eschrichtiidae
Genus:	Eschrichtius Gray, 1864
Species
Eschrichtius robustus †Eschrichtius akishimaensis

References

1. Tsai, C.-H.; Collareta, A.; Bosselaers, M. (2020). "A Pliocene gray whale (Eschrichtius sp.) from the eastern North Atlantic" (PDF). Rivista Italiana di Paleontologia e Stratigrafia. 126 (1): 189–196. doi:10.13130/2039-4942/13040.
2. Kimura, T.; Hasegawa, Y.; Kohno, N. (2017). "A New Species of the Genus Eschrichtius (Cetacea: Mysticeti) from the Early Pleistocene of Japan". Paleontological Research. 22 (1): 1–19. doi:10.2517/2017PR007. S2CID 134494152.