Simplify the following text for a Grade 14 native English-speaking person.
Original: It has yielded many archaeological discoveries , including one of the first specimens of Homo erectus , dubbed Peking Man , and a fine assemblage of bones of the gigantic hyena Pachycrocuta brevirostris .
Simplified: Many archaeological discoveries were found here , including one of the first specimens of Homo erectus , dubbed Peking Man , and bones of the large hyena Pachycrocuta brevirostris .