Basal Anthropoids from Egypt and the Antiquity of Africa's Higher Primate Radiation
2005
Seiffert, Erik R. | Simons, Elwyn L. | Clyde, Will (William C) | Rossie, James B. | Attia, Yousry | Bown, Thomas M. | Chatrath, Prithijit | Mathison, Mark E.
Early anthropoid evolution in Afro-Arabia is poorly documented, with only a few isolated teeth known from before [approximately]35 million years ago. Here we describe craniodental remains of the primitive anthropoid Biretia from [approximately]37-million-year-old rocks in Egypt. Biretia is unique among early anthropoids in exhibiting evidence for nocturnality, but derived dental features shared with younger parapithecids draw this genus, and possibly >45-million-year-old Algeripithecus, into a morphologically and behaviorally diverse parapithecoid clade of great antiquity.
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