Propalaeomeryx is an extinct genus of deer that lived during the Miocene epoch. Although there are no exact synonyms for the word Propalaeomeryx, there are some related species that can be used in its place. For example, Dremotherium is a related extinct deer that also lived during the Miocene epoch. Similarly, the genus Euprox also contains members that lived during the same time period and shared similar physical features with Propalaeomeryx. The term Moschidae can also be used, as it refers to the family of deer that Propalaeomeryx falls under. These synonyms can be used to provide context and clarification when discussing this extinct deer species.