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Catopithecus
Catopithecus is an early catarrhine fossil. It is known from more than 16 specimens of a single species, ''Catopithecus browni'', found in the Jebel Qatrani Formation of the Fayum Province, Egypt.〔 The Jebel Qatrani Formation has been divided into two main faunal zones based on the fact that the fauna found in the lower portion of the quarry appear to be more primitive that fauna found in the upper section of the quarry.〔 The upper zone has been dated to older than 31 ± 1 myr based on the dating of a basalt layer that lies immediately above the formation and Nicolas Steno’s Law of Superposition.〔 The lower zone contains the late Eocene green shale unit called Locality-41 (L-41) in which all the specimens of ''Catopithecus browni'' have been found. The relative dating of L-41 based on paleomagnetic correlations places it at 36 Myr.〔 This date indicates that ''Catopithecus'' lived during the Eocene epoch, making ''Catopithecus'' the earliest known anthropoid.〔
==Etymology==
From the Greek “''cato''” meaning “below” and “''pithekos''” meaning “one who plays tricks” (an ape), therefore ''Catopithecus'' means “below (before) ape.”〔 The species name, ''browni'', is form the discoverer of the type specimen, Mark Brown.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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