tautonym

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tau·to·nym

 (tô′tə-nĭm′)
n.
A taxonomic designation, such as Gorilla gorilla, in which the genus and species names are the same, commonly used in zoology but no longer in botany.

tau·ton′y·mous (tô-tŏn′ə-məs) adj.
tau·ton′y·my n.

tautonym

(ˈtɔːtənɪm)
n
(Biology) biology a taxonomic name in which the generic and specific components are the same, as in Rattus rattus (black rat)
[C20: from Greek tautonymos. See tauto-, -onym]
ˌtautoˈnymic, tautonymous adj
tauˈtonymy n

tau•to•nym

(ˈtɔ tə nɪm)

n.
a scientific name in which the generic and the specific names are the same, as Tyrannus tyrannus (the eastern kingbird).
[1895–1900; < Greek tautṓnymos of the same name =tauto- tauto- + -ōnymos named]
tau•ton′y•my, n.

tautonym

a botanical or zoological name in which the two terms, the generic name and the specific, are the same (a practice no longer approved by the International Code of Botanical Nomenclature). — tautonymic, tautonymous, adj.
See also: Classification
a botanical or zoological name in which two terms are combined, the generic name and the specific, with both being the same. (a practice no longer approved by the International Code of Botanical Nomenclature.)
See also: Botany, Names