subfamily
US /ˈsʌbˌfæm.ɪ.li/
UK /ˈsʌbˌfæm.ɪ.li/
1.
a taxonomic category ranking between a family and a tribe.
:
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The Felinae is a subfamily of the family Felidae, which includes domestic cats and many wild cat species.
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Botanists often classify plants into families, subfamilies, and genera.