family Cricetidae

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Definition

Proper noun * A taxonomic family of rodents: Family Cricetidae is a large and diverse family of mostly small rodents, primarily native to the New World (the Americas). It includes many common groups such as New World rats and mice, lemmings, voles, and hamsters.

Usage Notes
  • Scientific Context: This term is used almost exclusively in scientific, biological, and zoological contexts. It is a formal taxonomic classification.
  • Capitalization: As a proper noun representing a formal family name, "Cricetidae" is always capitalized.
  • Common Reference: In non-scientific language, people refer to the individual members (e.g., "a hamster," "a vole") rather than using the family name "Cricetidae."
Examples
  • The study focused on the evolutionary history of Family Cricetidae.
  • Voles and lemmings both belong to the family Cricetidae.
  • Cricetidae is one of the most species-rich families of mammals.
Advanced Usage
  • In Taxonomic Hierarchy: The term is used to specify a rank within biological classification (taxonomy). For example: Order Rodentia > Suborder Myomorpha > Family Cricetidae > Subfamily Neotominae (New World rats and mice).
  • Phylogenetic Studies: Used in research discussing the evolutionary relationships (phylogeny) among rodent species.
Variants and Related Words
  • Cricetid (noun/adjective): A member of the family Cricetidae; of or relating to this family.
    • The gerbil is a cricetid rodent.
  • Subfamilies within Cricetidae: Neotominae (New World rats and mice), Arvicolinae (voles, lemmings, muskrats), Cricetinae (hamsters), Sigmodontinae (a major group of New World rats and mice).
Synonyms
  • New World rats and mice family: This is a descriptive synonym but is less precise and not a formal taxonomic term.
  • The cricetid family: A more informal way to reference the group.
Different Meanings

This term has a single, specific meaning in biological taxonomy. It does not have common idiomatic or figurative uses.

Noun
  1. mostly small New World rodents including New World mice and lemmings and voles and hamsters

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