The Omomyid Group is a term used in paleontology to refer to a group of extinct primates that lived during the Eocene epoch. This group includes various species that are characterized by their small size, large eyes, and adaptations for a nocturnal lifestyle. While the term Omomyid Group is commonly used, there are several synonyms that may also be used to refer to this group. Some of these synonyms include Omomyinae, Omomyidae, and Omomyiformes. These terms all refer to the same group of primates and are used interchangeably in scientific literature to describe the various species within this group.