World anatomists got together in Frankfort, Germany, around 1875 to agree on nomenclature. In defining "anatomical position" they decided that a horizontal plane formed by left and right poria and left orbitale would define anatomical position for the head, hence "Frankfort Horizontal."

It is called binomial nomenclature.

The binomial nomenclature of a coyote is Canis latrans.

uniform anatomical gift act

Binomial nomenclature. In instances in which more than Genus species is necessary to accurately name an organism, the system is sometimes dubbed "Trinomial nomenclature," or even "Quadrunomial nomenclature." However, the textbook answer is Binomial nomenclature.