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Basal anthropoids from Egypt and the antiquity of Africa's higher primate radiation
Erik R Seiffert1, Elwyn L Simons, William C Clyde
1Department of Earth Sciences, University of Oxford, and Oxford University Museum of Natural History, Parks Road, Oxford, OX1 3PW, UK. erik.seiffert@earth.ox.ac.uk
Abstract:
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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