family hydrochoeridae
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Definition
Proper noun: * Family Hydrochoeridae: A taxonomic family within the order Rodentia. This family consists of large, semiaquatic rodents native to South America. Its members are characterized by their barrel-shaped bodies, vestigial tails, and partially webbed feet. The most well-known and only extant (living) member of this family is the capybara (Hydrochoerus hydrochaeris), which is the largest living rodent in the world.
Usage Notes
- The term "Family Hydrochoeridae" is used exclusively in scientific and zoological contexts for biological classification. It is not used in everyday conversation.
- In formal writing, the family name is always capitalized () and is often italicized.
- When referring to the common animal, the word capybara is used, not "hydrochoerid."
Examples
- Scientific Context:
- The capybara belongs to the family Hydrochoeridae, which falls under the suborder Hystricomorpha.
- Fossil records show that Family Hydrochoeridae once had more diverse members than it does today.
- In the taxonomic hierarchy, Hydrochoeridae is a family within the infraorder Caviomorpha.
Advanced Usage
- Phylogenetic Studies: The term is used in evolutionary biology to discuss the lineage and relationships of these rodents.
- The study focused on the phylogenetic position of Family Hydrochoeridae within the Cavioidea superfamily.
Variants and Related Words
- Hydrochoerid (noun/adjective): A member of the family Hydrochoeridae; relating to this family.
- The fossil was identified as a hydrochoerid based on its dental structure.
- Capybara () (noun): The common name for the sole extant species within Family Hydrochoeridae.
- Lesser Capybara () (noun): A smaller, closely related species sometimes considered part of the same genus.
Synonyms
- Capybara family: An informal, descriptive synonym used in some non-technical zoological texts.
Related Terms (Taxonomic Hierarchy)
- Order: Rodentia (rodents)
- Suborder: Hystricomorpha
- Infraorder: Caviomorpha
- Superfamily: Cavioidea
- Genus: (the genus containing capybaras, placed within the family Hydrochoeridae)