Pinnipeds derived from a common bearlike ancestor during the late Oligocene Epoch, diverging some 25 to 27 million years ago into the presently known families. 34 species in 18 genera belonging to 3 families, found primarily in marine waters.

Is pinnipedia a suborder?

Pinnipedia is a suborder of carnivorous mammals found exclusively in aquatic habitats. The suborder includes three recognized extant families: Odobenidae (walrus), Otoriidae (sea lions and fur seals), and Phocidae (true seals). ... Many members of this suborder have been exploited by humans for centuries.

What organisms belong to the order pinnipedia?

Pinnipedia is an infraorder of mammals in the order Carnivora, composed of seals, sea lions, and the walrus. A member of this group is called a pinniped or a seal.