Apes are Old World anthropoid  mammal s, more specifically a clade of tailless 
catarrhine  primate s, belonging to the biological
Kaynak: ApeCatopithecus is an early 
catarrhine  fossil.  It is known from more than 16 specimens of a single species, Catopithecus browni, found in
Kaynak: CatopithecusSimians are divided into two groups: platyrrhine ("flat-nosed") or New World monkey s of South and Central America and 
catarrhineKaynak: PrimateAegyptopithecus, which means Egyptian Primate, from Greek Αίγυπτος (Egypt) and πίθηκος (primate), is an early fossil  
catarrhine  that
Kaynak: AegyptopithecusThe VNO is present in most amphibia, reptiles and non-primate mammals but is absent in birds, adult 
catarrhine monkeys and apes An active
Kaynak: Vomeronasal receptorThe earliest known 
catarrhine  is Kamoyapithecus  from uppermost Oligocene at Eragaleit in the northern Kenya Rift Valley , dated to 24
Kaynak: Human evolutionor I.C.P.M / I.C.P.M. For example, the following formulae show the deciduous and permanent dentition of all 
catarrhine primate s,
Kaynak: Dentition