There is an International Code of Nomenclature, which makes the rules for naming species.

Under the International Code of Nomenclature for algae, fungi, and plants, this term is not used.

International Code of Nomenclature for algae, fungi, and plants (Vol.

Under the International Code of Zoological Nomenclature the term has no standing (it is not accepted).

For animals, scientific names are governed by the International Code of Zoological Nomenclature.

Authors must use English language, and follow the International Code of Zoological Nomenclature.

International Code of Nomenclature for Cultivated Plants, 8th edition (Vol.

Ordinal names are not covered by the International Code of Nomenclature and thus the name and spelling comes down to a matter of personal preference.

International Code of Zoological Nomenclature, 4th edition.

Vieweg is an author of names published under the International Code of Zoological Nomenclature.