Full reference: K. Takeyama and T. Ozawa. 1984. A new Miocene otarioid seal from Japan. Proceedings of the Japan Academy Series B Physical and Biological Sciences 40(3):36-39
See also Barnes 1989, Berta 2002, Berta 2009, Berta 2017, Berta 2018, Berta et al. 2018, Boessenecker and Churchill 2013, Deméré et al. 2003, Horikawa 1995, Kohno 2006, Kohno et al. 1995, McKenna and Bell 1997, Sepkoski 2002 and Takeyama and Ozawa 1984
Subtaxa: Prototaria planicephala
Ecology: amphibious carnivore
• Miocene of Japan (3 collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.