Suborder Pinnipedia, also known as pinnipeds, is a diverse group of marine mammals that include seals, sea lions and walruses. These animals are characterized by their adaptations for life in water, such as flippers, streamlined bodies and the ability to hold their breath for extended periods. While the term "Suborder Pinnipedia" is widely recognized in scientific communities, there are other synonyms that are sometimes used. For example, the term "Fin-footed Mammals" is another commonly used term to refer to the order, highlighting their unique adaptations for aquatic life. Another synonym that is occasionally used is "Flippered Seals," emphasizing the distinctive flippers that are used for swimming and maneuvering through water.