Subfamily(redirected from Family (biology))
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a taxonomic category of plants and animals below a family. A subfamily embraces a group of genera or groups of genera (tribes) that are particularly closely related to one another. A subfamily may be represented by a single genus. In plant taxonomy the name of the subfamily is formed by adding the suffix -oideae to the root of the name of one of its genera (for example, the subfamily Ericoideae of the family Ericaceae). In animal taxonomy the name of the subfamily is formed by adding the ending -inae to the root of the name of the principal genus, in contrast to adding -idae to the genus name to form the name of the family (for example, the subfamily Lutrinae of the family Mustelidae).