Evolution, taxonomy and antitropical distributions of the porpoises (Phocoenidae, Mammalia)

Barnes, Lawrence G.
Marine Mammal Sci (1985)

True porpoises are a morphologically distinctive and evolutionarily old group of odontocete cetaceans classified as the family Phocoenidae. They are distinct from members of the family Delphinidae, with which they…


Phocoena spinipinnis

Brownell, R.L. Jr.; Praderi, R
Mammalian Species (1984)

(...) Phocoena spinipinnis may be distinguished externally from all other members of the genus by the slightly convexed anterior and posterior borders and the rounded blunt tip of the dorsal…