A tautonym is a scientific name of a species in which both parts of the name have the same spelling, for example Bison bison. The first part of the name is the name of the genus and the second part is referred to as the specific epithet in the International Code of Nomenclature for algae, fungi, and plants and the specific name in the International Code of Zoological Nomenclature.

A tautonym is a scientific name of a species in which both parts of the name have the same spelling, for example Bison bison. The first part of the name is the name of the genus and the second part is referred to as the specific epithet in the International Code of Nomenclature for algae, fungi, and plants and the specific name in the International Code of Zoological Nomenclature.