The term "Genus Sinanthropus" refers to a group of extinct hominids, also known as "Peking Man". They are believed to have lived in China during the Pleistocene period, between 700,000 to 200,000 years ago. The name Sinanthropus is composed of two words, "Sina", which means China, and "anthropus", which refers to human. In scientific literature, the term "Homo erectus pekinensis" is often used as a synonym for Sinanthropus. Other synonyms for Sinanthropus include "Homo pekinensis" and "Pekin Man". These hominids were an important discovery in the field of human evolution, as they offer crucial insights into our ancestors' development and migration patterns.