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Possible early ancestors of catarrhines include Aegyptopithecus and Saadanius. 35-20 Ma Proconsul. Catarrhini splits into 2 superfamilies, Old World monkeys (Cercopithecoidea) and apes . Human trichromatic color vision had its genetic origins in this period. Catarrhines lost the vomeronasal organ (or possibly reduced it to vestigial status).
Propliopithecoidea is a superfamily of catarrhine primates that inhabited Africa and the Arabian Peninsula during the Early Oligocene about 32 to 29 million years ago. Fossils have been found in Egypt, Oman and Angola.
It was discovered in 2009 in western Saudi Arabia near Mecca and was first described in 2010 after comparison with both living and fossil catarrhines. Saadanius had a longer face than living catarrhines and lacked the advanced frontal sinus found in living catarrhines.
The parvorder Catarrhini / k æ t ə ˈ r aɪ n aɪ / (known commonly as catarrhine monkeys, Old World anthropoids, or Old World monkeys) consists of the Cercopithecoidea and apes (Hominoidea). In 1812, Geoffroy grouped those two groups together and established the name Catarrhini, "Old World monkeys", (" singes de l'Ancien Monde " in French ).
Aegyptopithecus is thought to have been an arboreal quadruped due to the distal articular region of the femur, which is deeper than that of "later" catarrhines. [2] Also, based on overall femoral morphology, A. zeuxis is thought to have been robust. [2] The phalanges of the hands and feet suggest powerful grasping consistent with arboreal ...
Dionysopithecidae is an extinct family of fossil catarrhines and the earliest-known and most primitive members of the Pliopithecoidea superfamily, with fossils in Sihong, China dating to 18–17 million years ago for species Dionysopithecus shuangouensis and Platodontopithecus jianghuaiensis.
The simians include catarrhines (Old World monkeys and apes, including humans), and the platyrrhines (New World monkeys). Haplorhini was proposed by Pocock in 1918 when he realized the tarsiers were actually sister to the monkeys rather than the lemurs, also following findings of Hugh Cuming 80 years earlier and Linnaeus 160 years earlier.
The hominoids are descendants of a common ancestor.. Homo sapiens is a distinct species of the hominid family of primates, which also includes all the great apes. [1] Over their evolutionary history, humans gradually developed traits such as bipedalism, dexterity, and complex language, [2] as well as interbreeding with other hominins (a tribe of the African hominid subfamily), [3] indicating ...