taxon

n. categorical classification

A taxon (plural taxa), or taxonomic unit, is a name designating an organism or group of organisms. A taxon is assigned a rank and can be placed at a particular level in a systematic hierarchy reflecting evolutionary relationships.A distinction is to be made between taxa/taxonomy and classification/systematics. The former refers to biological names and the rules of naming. The latter refers to rank ordering of taxa according to presumptive evolutionary (phylogenetic) relationships. A broad scheme of ranks in hierarchical order:DomainKingdomPhylum or Division ClassOrderFamilyGenusSpecies
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Noun
1. animal or plant group having natural relations
(synonym) taxonomic group, taxonomic category
(hypernym) biological group
(hyponym) Adapid, Adapid group

n. taxon, categorical classification

n. cladogram, diagram depicting the evolution and ancestry of a particular group of organisms (Biology); group, bunch; ensemble, band, unit