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In zoological nomenclature, a subspecific name is the third part of a trinomen. In zoology there is only one rank below that of species, namely " subspecies".

In botanical nomenclature, there are several levels of subspecific names, such as variety and form, and even cultivar.

The name of a subspecies is a trinomen, a trinomial name, i.e., a name that consists of three names: generic name, specific epithet, and subspecific epithet. The subspecific epithet is written like the specific epithet: without capitalisation but typeset in italics.

See also

• binomial nomenclature
• trinomen
• trinomial nomenclature
• in plants, an infraspecific taxon gets a three part name, a ternary name.