Cephalorhynchus Heavisidei. White-marked Porpoise. Length, 5 feet (After Rapp.)
== Heaviside's dolphin (Cephalorhynchus heavisidii)
Author Frederick W. True (1858–1914) / Frederick William True
Subject: Cephalorhynchus, Dolphins
Tag: Aquatic Mammals
Date 1883
Source/Photographer Frederick W True (1885) Suggestions to the keepers of the U. S. Lifesaving stations, light-houses, and light-ships, and to other observers, relative to the best means of collecting and preserving specimens of whales and porpoises, Report of the Commissioner (United States Commission of Fish and Fisheries), 1883, Washington, DC: Government Printing Office
Source: https://commons.wikimedia.org/wiki/File:FMIB_34106_Cephalorhynchus_Heavisidei_Whited-marked_Porpoise.jpeg

Heaviside's dolphin (Cephalorhynchus heavisidii) is one of four dolphins in the genus Cephalorhynchus. The small cetacean is endemic to the Benguela ecosystem along the southwest coast of Africa. Heaviside's dolphins are small and stocky with adults reaching a maximum length and weight of 1.7m and 75 kg. The dolphin has a distinct black, grey and white body pattern.

Order: Artiodactyla
Infraorder: Cetacea
Family: Delphinidae
Genus: Cephalorhynchus
Species: Cephalorhynchus heavisidii Gray, 1828