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The names of taxa at taxonomic ranks above genus (or the rarely used supergenus) – family, order, etc. – are always capitalized and are not italicized for animals, plants or bacteria (i.e., everything but viruses): bats belong to the order Chiroptera; rats and mice are members of the family Muridae and the order Rodentia; the house mouse ...
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a hierarchy that reflects evolutionary relationships.
Taxonomy includes both nomenclature and classification. Its first stages (sometimes called "alpha taxonomy") are concerned with finding, describing and naming species of living or fossil organisms. [27] Binomial nomenclature is thus an important part of taxonomy as it is the system by which species are named.
New family descriptions are relatively rare in taxonomy, occurring in fewer than one in a hundred taxonomic publications. Such descriptions typically result from either the discovery of organisms with unique combinations of characters that do not fit existing families, or from phylogenetic analyses that reveal the need for reclassification.
Do not italicize (but do capitalize) taxa higher than genus (exceptions are below). Virus taxonomy is a partial exception; current scientific practice is to italicize all ranks of taxa (even those higher than genus; e.g., Ortervirales, an order, or Herpesviridae, a family). However, this should only be done in articles about viruses or virology ...
Note that the 'connecting forms' used in infraspecific plant names, the hybrid symbol, and abbreviations such as "cf.", "sp.", etc. are not part of the scientific name and should not be italicized. Thus Cyclamen hederifolium f. albiflorum ("f." is not italicized), Passer cf. domesticus ("cf." is not italicized), Corvus sp. ("sp." is not ...
This page provides information about "taxonomy ... The displayed link will be italicized if ... order, family, genus or species, it will always be displayed in its ...
The main ranks are kingdom (regnum), phylum or division (divisio), class (classis), order (ordo), family (familia), genus and species. The ranks of section and series are also used in botany for groups within genera, while section is used in zoology for a division of an order. Further levels in the hierarchy can be made by the addition of ...