genus zalophus
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Definition
Noun: * Genus Zalophus: A taxonomic genus within the family Otariidae, comprising sea lions. This genus name is used in biological classification to group a specific type of eared seal.
Usage Notes
- "Genus Zalophus" is a scientific, taxonomic term. It is always capitalized and typically italicized in formal biological texts.
- It is used in academic, zoological, and marine biology contexts to refer to this specific group of animals, distinguishing them from other genera of sea lions (like or ).
- In everyday language, the common name "sea lion" is used instead.
Examples
- The California sea lion, a common marine mammal, belongs to genus Zalophus.
- Genus Zalophus is characterized by external ear flaps and the ability to walk on land using their large flippers.
- A key difference between genus Zalophus and other sea lion genera is the shape of the sagittal crest on the skull of adult males.
Advanced Usage
- In Taxonomic Hierarchy: The term is used to specify an organism's precise classification.
- Example: The full classification is: Kingdom Animalia, Phylum Chordata, Class Mammalia, Order Carnivora, Family Otariidae, Genus Zalophus, Species californianus.
Variants and Related Words
- Zalophus: The abbreviated form of the genus name, used identically in scientific contexts (e.g., ).
- Sea lion (n.): The common name for pinnipeds in the genera , , , and .
- Otariid (n./adj.): A member of the family Otariidae (eared seals, including sea lions and fur seals); relating to that family.
Synonyms
- (As a group of animals): Sea lions (specifically those within this genus, though this common name is broader).
Related Terms (Scientific Context)
- Taxonomy: The science of classification.
- Genus: A rank in biological classification grouping closely related species.
- Type species: The species that defines a genus. For genus Zalophus, it is (the California sea lion).