Regression of the optic system in the Changjiang (Yangtze) finless porpoise (Neophoceana asiaeorientalis) as a result of lack of light

Chen, P.; Shao, Z.; Pilleri, G.
Investigations on Cetacea (1980)

(...) The research shows that the finless porpoise of the Changjiang (Yangtze river) presents an atrophy ofthe entire optic system - eye and eye muscle nerves, optic nerve, optic pathways.…


Phocoena dioptrica

Brownell, Robert L.
Mammalian Species (1975)

(...) The original description of the holotype of P. dioptrica was based on an unique and distinctive color pattern. The dorsal surface and upper lateral surface to just above the'…