| taxon | A group or category, at any level, in a system for classifying plants or animals. (09 Oct 1997) |
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| taxonomic | Relating to taxonomy. (05 Mar 2000) |
| taxonomic group | <zoology> A taxon with all its subordinate taxa and their individuals, for example the taxonomic group Insecta consists of all insects and their taxa. (09 Jan 1998) |
| taxonomy | <zoology> The theories and techniques of naming, describing, and classifying organisms, the study of the relationships of taxa,including positional changes which do not involve changes in the names of taxa. The taxonomic hierarchy is, from top to bottom: kingdom, phylum (for animals) or division (for plants and fungi), class, order, family, genus, species. (09 Jan 1998) |
| nominal taxon | <zoology> A named taxon, objectively defined by its type taxon Thus the nominal family muscidae is always the one to which its nominal type genus, Musca, belongs. (09 Jan 1998) |
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| nominate subordinate taxon | <zoology> A subordinate taxon which bears the same names as its immediate higher taxon. Thus Grus grus is the nominate species of the genus Grus. (09 Jan 1998) |