What are the rules of Nomenclature?

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature

Nomenclature is governed by certain universal rules, Which one of the following is contary to the rules of nomenclature