Binomial nomenclature
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In taxonomy, binomial nomenclature, also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammati
Orcinus orca, the orca or the killer whale
Echinopsis pachanoi, the San Pedro cactus
Carl Linnaeus (1707–1778), a Swedish botanist, physician, and zoologist, invented the modern system of binomial nomenclature.
Part of page 1179 of volume 2 of the 1st edition of Linnaeus’s Species Plantarum, describing mushroom species Phallus impudicus. The body text is using polynomial nomenclature, with the trivial name attached in the margin.
Orca
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The orca, or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. The only extant species in the genus Orcinus, it is recognizable by its distinct pigmentation; being
Binomial nomenclature
…Orcinus orca, the orca or the killer whale Echinopsis pachanoi, the San Pedro cactus In taxonomy, binomial nomenclature ("two-term naming system"), also called…
Orcinus citoniensis fossil, an extinct species of the same genus, Museo Capellini in Bologna
Modern orca skeleton, Naturalis, Leiden
An orca leaps out of the water when swimming—a behaviour known as porpoising—in Hood Canal