binomial nomenclature

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binomial nomenclature

biology

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Apr. 20, 2026

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Binomial nomenclature is a formal system for naming species of living things by assigning each a name of two parts, both of which use Latin words. The first part of the name identifies the genus to which the species belongs, and the second part is the specific epithet that distinguishes it within the genus. This system, established by Carolus Linnaeus in the 1750s, replaced lengthy Latin descriptions with a concise and consistent method for scientific classification. For example, modern humans are scientifically known as Homo sapiens. This standardized naming convention is crucial for clear communication and organization within the field of biology.12345

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genus
…the first word of a binomial scientific name (the species name is the second word) and is always capitalized.
…the first word of a binomial scientific name (the species name is the second word) and is always capitalized.

Gorilla gorilla, Sula sula, and Other Animals Whose Names Are Tautonyms—the Same for Genus and Species
…identified using a system of two parts composed of each organism’s genus and species names. This system was established in the 1750s by Swedish naturalist Carolus Linnaeus to overcome the confusion caused by the use of vague diagnostic phrases and unhelpful labels. The scientific name for our species, for example,…
…identified using a system of two parts composed of each organism’s genus and species names. This system was established in the 1750s by Swedish naturalist Carolus Linnaeus to overcome the confusion caused by the use of vague diagnostic phrases and unhelpful labels. The scientific name for our species, for example,…

botany
Historical background
…Linnaeus established the practice of binomial nomenclature—that is, the denomination of each kind of plant by two words, the genus name and the specific name, as Rosa canina, the dog rose. Binomial nomenclature had been introduced much earlier by some of the herbalists, but it was not generally accepted; most…
…Linnaeus established the practice of binomial nomenclature—that is, the denomination of each kind of plant by two words, the genus name and the specific name, as Rosa canina, the dog rose. Binomial nomenclature had been introduced much earlier by some of the herbalists, but it was not generally accepted; most…

Why Do Scientific Names Have Two Parts?
…uses a convention known as binomial nomenclature to uniquely name the diverse organisms of our planet. The two parts of a scientific name are the genus, which is capitalized, and the species, which is not; both names are italicized. Let’s look at the scientific name for the common peach, Prunus…
…uses a convention known as binomial nomenclature to uniquely name the diverse organisms of our planet. The two parts of a scientific name are the genus, which is capitalized, and the species, which is not; both names are italicized. Let’s look at the scientific name for the common peach, Prunus…

Carolus Linnaeus
Binomial nomenclature
Linnaeus returned to Sweden in 1738 and began a medical practice in Stockholm. In 1739 he married Sara Elisabeth. He practiced medicine until the early 1740s but longed to return to his botanical studies. A position became available at Uppsala University, and he…
Linnaeus returned to Sweden in 1738 and began a medical practice in Stockholm. In 1739 he married Sara Elisabeth. He practiced medicine until the early 1740s but longed to return to his botanical studies. A position became available at Uppsala University, and he…