subphylum


subphylum
In biologic classification, a division between phylum and class.

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sub·phy·lum 'səb-.fī-ləm n, pl -la -lə a category in biological classification ranking below a phylum and above a class

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sub·phy·lum (səb-fiґləm) pl. subphyґla. A taxonomic category sometimes established, subordinate to a phylum and superior to a class.

Medical dictionary. 2011.