1. scientific names in which the genus and species names are identical
Usage: biology; taxonomy

Examples

• Rattlesnake species like Crotalus crotalus are examples of tautonyms in zoological nomenclature.
• The biologist explained that tautonyms are allowed in animal classification but not in plant taxonomy.
• Gorilla gorilla is one of the most well-known tautonyms in mammalian classification.
• Students often find tautonyms easier to remember because both parts of the scientific name are the same.
• The taxonomist noted that tautonyms can indicate the type species of a genus.
• Many bird species have tautonyms, such as Pica pica for the Eurasian magpie.