The Paleobiology Database [online]. paleobiodb.org, [cit. 2024-02-07]. Dostupné online.
researchgate.net
Kimura, Toshiyuki & Hasegawa, Yoshikazu & Kohno, Naoki. (2018). A New Species of the Genus Eschrichtius (Cetacea: Mysticeti) from the Early Pleistocene of Japan. Paleontological Research. 22. 1-19. [1]
Tsai, Cheng-Hsiu & Boessenecker, Robert. (2015). An Early Pleistocene gray whale (Cetacea: Eschrichtiidae) from the Rio Dell Formation of Northern California. Journal of Paleontology. 89. 103-109. 10.1017/jpa.2014.9. [2]
