The term "Suborder Hyperotreta" refers to a group of parasitic copepods that infest various marine animals. Although uncommon in everyday language, there are a few synonyms that can be used to refer to these creatures. One such term is "fish lice" which is commonly used to describe the copepods that attach themselves to fish. Another synonym is "crustacean parasites" since these copepods belong to the Crustacea class. Lastly, the term "marine ectoparasites" can be used to describe these copepods since they are parasites that reside on the external surfaces of their host organisms. Overall, these synonyms provide alternative ways to refer to this particular suborder of copepods.