Investigations on cetacean sonar XI: Intrinsic comparison of the wave shapes of some members of the Phocoenidae family

Kamminga, C.; Cohen Stuart, A.; Silber, G. K.
Aquatic Mammals (1996)

A comparison of the acoustic waveforms of three different species, Phocoena phocoena, Phocoena sinus and Neophocaena phocaenoides of the sub-family Phocoeninae is made with the species Phocoenoides dalli of the…

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…