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…

Magnetoreception and biomineralization of magnetite in cetaceans

Bauer, G.B.; Fuller, M.; Perry, A.; Dunn, J.R.; Zoeger, J.
Magnetite Biomineralization and Magnetoreception in Organisms: A New Biomagnetism (1985)

(...) Although various sensory mechanisms are present in cetaceans, special navigational problems occur when animals are in a pelagic environment which can minimize available cues. Dawbin (1966) has observed that…

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…