Get Polar Bear Ursus Maritimus Gif. Described the evolution of polar bears based on the fossil record and recommended the name ursus maritimus as adopted by phipps (1774). Polar bears are considered by many to be marine mammals.
Phipps (1774) first described the polar bear as a distinct species and named it ursus maritimus.
Erdbrink (1953) and thenius (1953) ultimately settled on ursus (thalarctos) maritimus because of interbreeding between brown bears (ursus arctos) and polar bears in zoos. Polar bear facts basics average weight: Who are the only predators of ursus maritimus? Erdbrink (1953) and thenius (1953) ultimately settled on ursus (thalarctos) maritimus because of interbreeding between brown bears (ursus arctos) and polar bears in zoos.