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  2. Binomial nomenclature - Wikipedia

    en.wikipedia.org/wiki/Binomial_nomenclature

    Binomial nomenclature for species has the effect that when a species is moved from one genus to another, sometimes the specific name or epithet must be changed as well. This may happen because the specific name is already used in the new genus, or to agree in gender with the new genus if the specific epithet is an adjective modifying the genus ...

  3. Open nomenclature - Wikipedia

    en.wikipedia.org/wiki/Open_nomenclature

    Sp. (pl. spp.; short for "species") indicates potentially new species without remarking on its possible affinity. This suggests either that identification has not yet been completed or that currently available evidence and material are insufficient to allocate the specimens to relevant known taxa, or alternatively, that as yet the specimen ...

  4. Subspecies - Wikipedia

    en.wikipedia.org/wiki/Subspecies

    A subspecies is a taxonomic rank below species – the only such rank recognized in the zoological code, [14] and one of three main ranks below species in the botanical code. [12] When geographically separate populations of a species exhibit recognizable phenotypic differences, biologists may identify these as separate subspecies; a subspecies ...

  5. Species - Wikipedia

    en.wikipedia.org/wiki/Species

    Books and articles sometimes intentionally do not identify species fully, using the abbreviation "sp." in the singular or "spp." (standing for species pluralis, Latin for "multiple species") in the plural in place of the specific name or epithet (e.g. "Canis sp.").

  6. Bacterial taxonomy - Wikipedia

    en.wikipedia.org/wiki/Bacterial_taxonomy

    The abbreviation for species is sp. (plural spp.) and is used after a generic epithet to indicate a species of that genus. Often used to denote a strain of a genus for which the species is not known either because the organism has not been described yet as a species or insufficient tests were conducted to identify it.

  7. Species affinis - Wikipedia

    en.wikipedia.org/wiki/Species_affinis

    Species affinis (commonly abbreviated to: sp., aff., or affin. ) is taxonomic terminology in zoology and botany . In open nomenclature it indicates that available material or evidence suggests that the proposed species is related to, has an affinity to, but is not identical to, the species with the binomial name it comes after. [ 1 ]

  8. Glossary of scientific naming - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_scientific_naming

    species aggregate or aggregate species: a grouping of closely related species that are treated like a single species for practical purposes; alliance: a group of species or genera that have at some time been considered provisionally related; conspecific: of the same species; e. g. of two taxa previously thought to be different species

  9. Forma specialis - Wikipedia

    en.wikipedia.org/wiki/Forma_specialis

    The hierarchy of biological classification's eight major taxonomic ranks.Intermediate minor rankings are not shown. Forma specialis (plural: formae speciales), abbreviated f. sp. (plural ff. spp.) without italics, is an informal taxonomic grouping allowed by the International Code of Nomenclature for algae, fungi, and plants, [1] that is applied to a parasite (most frequently a fungus) which ...