suborder pinnipedia
Học thuậtThân thiện
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
- seals; sea lions; walruses