central Bornean orangutan References central Bornean orangutan primate Ask Anything Homework Help Also known as: Pongo pygmaeus wurmbii Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: orangutan/ Classificationpygmaeus pygmaeus, and P. pygmaeus wurmbii. During the Pleistocene Epoch (about 2,600,000 to 11,700 years ago), the orangutan range was much more extensive, and orangutan remains have been found as far north as southern China. Read Morepygmaeus pygmaeus, and P. pygmaeus wurmbii. During the Pleistocene Epoch (about 2,600,000 to 11,700 years ago), the orangutan range was much more extensive, and orangutan remains have been found as far north as southern China. Read More