New specimens of the Pinnipediform Pteronarctos from the Miocene of Oregon /
Berta, Annalisa.
New specimens of the Pinnipediform Pteronarctos from the Miocene of Oregon / Annalisa Berta. - Washington, D.C. : Smithsonian Institution Press, 1994. - iii, 30 p. : ill. ; 28 cm. - Smithsonian contributions to paleobiology ; no. 78 .
New specimens of the Pinnipediform Pteronarctos from the Miocene of Oregon / Annalisa Berta. - Washington, D.C. : Smithsonian Institution Press, 1994. - iii, 30 p. : ill. ; 28 cm. - Smithsonian contributions to paleobiology ; no. 78 .