Dolphins

Amazon River Dolphins; Feresa attenuata; Ganges River Dolphin; Grampus griseus; Inia geoffrensis; Lagenodelphis hosei; Lagenorhynchus acutus; Lagenorhynchus albirostris; Langenorhynchus obliquidens; Lipotes vexillifer; Orcaella brevirostris
Mammals of the families Delphinidae (ocean dolphins), Iniidae, Lipotidae, Pontoporiidae, and Platanistidae (all river dolphins). Among the most well-known species are the BOTTLE-NOSED DOLPHIN and the KILLER WHALE (a dolphin). The common name dolphin is applied to small cetaceans having a beaklike snout and a slender, streamlined body, whereas PORPOISES are small cetaceans with a blunt snout and rather stocky body. (From Walker's Mammals of the World, 5th ed, pp978-9)