Phoca wymani and other Tertiary seals (Mammalia, Phocidae) described from the eastern seaboard of North America /
Ray, Clayton Edward.
Phoca wymani and other Tertiary seals (Mammalia, Phocidae) described from the eastern seaboard of North America / Clayton E. Ray. - Washington : Smithsonian Institution Press, 1976. - iii, 36 p. : ill. ; 26 cm. - Smithsonian contributions to paleobiology ; 28 .
Phoca wymani and other Tertiary seals (Mammalia, Phocidae) described from the eastern seaboard of North America / Clayton E. Ray. - Washington : Smithsonian Institution Press, 1976. - iii, 36 p. : ill. ; 26 cm. - Smithsonian contributions to paleobiology ; 28 .