Ho·mo e·rec·tus (hōmō ĭ-rĕktəs)
A species of extinct humans known from fossil remains found in Africa and Eurasia and dating from about 1.9 million to less than 100,000 years ago. Homo erectus is widely regarded as an ancestor of Homo sapiens.
[New Latin Homō ērēctus, species name : Latin homō, man + Latin ērēctus, upright.]
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