Hypertext Webster Gateway: "subfamily"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Subfamily \Sub*fam"i*ly\, n. (Biol.)
One of the subdivisions, of more importance than genus, into
which certain families are divided.
From WordNet (r) 1.7 (wn)
subfamily
n : (biology) a taxonomic category below a family
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