pinnipedia Meaning, Definition & Usage

  1. noun seals; sea lions; walruses
    suborder Pinnipedia.

WordNet

Pin`ni*pe"di*a noun plural
Etymology
NL. So called because their webbed feet are used as paddles or fins.
Definitions
  1. (Zoöl.) A suborder of aquatic carnivorous mammals including the seals and walruses; -- opposed to Fissipedia.

Webster 1913