Type species refers to the species of an organism that acts as the reference point for the genus to which it belongs. Synonyms for type species include the term "type specimen", which refers to the physical specimen or object used to describe a species, and "holotype", which refers to the original or primary type specimen designated in the naming of a species. Another synonym for type species is "lectotype", which refers to a particular type specimen selected from a group of specimens to act as the standard for a species. "Neotype" is also a synonym for type species, which refers to a new type specimen designated to replace or supplement the original type species if it is lost or damaged.