tautonymic

noun

1. a scientific name consisting of two terms, in which the generic name and specific name are the same (Ex.: Vulpes vulpes, the red fox): this kind of name is no longer used in botany, but is common in zoology
2. a scientific name consisting of three terms, in which the name of the typical subdivision of the species repeats the specific name (Ex.: Lama glama glama, a domesticated llama)