Definition

Noun: A taxonomic suborder of carnivorous aquatic mammals, commonly known as pinnipeds, that includes seals, sea lions, and walruses. These mammals are characterized by their flipper-like limbs adapted for swimming.

Usage

The term "suborder Pinnipedia" is used in scientific and zoological contexts to classify a specific group of marine mammals within the order Carnivora. - The biologist specialized in studying the evolution of the suborder Pinnipedia. - Animals within the suborder Pinnipedia spend much of their lives in the water but come ashore to breed.

Advanced Usage

• Taxonomic Hierarchy: In biological classification, "suborder Pinnipedia" sits below the order Carnivora and is divided into families such as Otariidae (eared seals like sea lions), Phocidae (true seals), and Odobenidae (walruses).
• Phylogenetic Context: Modern genetic studies sometimes reclassify pinnipeds, but "suborder Pinnipedia" remains a widely recognized traditional grouping for these aquatic carnivores.

Variants and Related Words

• Pinniped (n): A member of the suborder Pinnipedia; the common name for these animals.
  • The walrus is the largest pinniped.
• Pinnipedia: When used alone (capitalized), it is synonymous with the suborder.
  • Research on Pinnipedia focuses on their diving adaptations.

Synonyms

• Pinnipeds: The group of animals constituting the suborder.
• Seals and allies: An informal descriptive term.

Related Phrases

• Marine mammal: A broader category that includes the suborder Pinnipedia, as well as cetaceans and sirenians.
• Flippered carnivore: A descriptive phrase highlighting key physical and dietary traits.

Noun

1. seals; sea lions; walruses