Cephalorhyncus commersonii
Cephalorhyncus eutropia
Cephalorhyncus heavisidii
Cephalorhyncus hectori Cephalorhynchus is a genus in the Delphinidae (dolphin) family. It consists of four species:

Commerson's Dolphin, Cephalorhyncus commersonii

Chilean Dolphin, Cephalorhyncus eutropia

Heaviside's Dolphin, Cephalorhyncus heavisidii

Hector's Dolphin, Cephalorhyncus hectori

The species have similar physical features - they are small, generally playful, blunt-nosed dolphins - but are found in distinct geographical locations. See the individual species articles for further details.