Genus Ouranopithecus is a scientific name given to an extinct ape that existed millions of years ago. Some synonyms for this genus include Ouranopithecus macedoniensis, Ouranopithecus turkae, and Graecopithecus freybergi. These names are used interchangeably in different research studies and publications. Ouranopithecus belongs to the hominidae family, which includes modern humans, chimpanzees, gorillas, and orangutans. The species was discovered in Greece and Turkey in the late 20th century, and its fossils provide important clues about human evolution and ancient apes. The species is believed to have walked upright, had a small brain size, and lived in forests millions of years ago.