Genus Negaprion is a taxonomic group that includes three species of sharks: the blacktip shark, the Caribbean reef shark, and the lemon shark. However, there are several synonyms for the genus Negaprion that have been used in the past. Some of these include Carcharias brevipinna, Carcharias lacepedii, Ginglymostoma caudatum, and Negaprion eurybathrodon. These synonyms reflect the historical confusion that surrounded the classification of sharks and other marine creatures. Today, the genus Negaprion is recognized by the scientific community as a distinct taxonomic group, but it is important to remember the evolution of its classification and the ongoing efforts to refine our understanding of the natural world.