Nacholapithecus

Nacholapithecus
Temporal range: middle Miocene
"Nacholapithecus kerioi" at the Kyoto University Museum
Nacholapithecus kerioi at the Kyoto University Museum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Proconsulidae
Genus: Nacholapithecus
Ishida, Kunimatsu, Nakatsukasa & Nakano, 1999
Species
  • Nacholapithecus kerioi

Nacholapithecus kerioi was an ape that lived 14-15 million years ago during the Middle Miocene. Fossils have been found in the Nachola formation in northern Kenya. The only member of the genus Nacholapithecus, it is thought to be a key genus in early hominid evolution. Similar in body plan to Proconsul, it had a long vertebral column with six lumbar vertebrae, no tail, a narrow torso, large upper limbs with mobile shoulder joints, and long feet.

Together with other Kenyapithecinae such as Equatorius, Kenyapithecus, and Griphopithecus, Nacholapithecus displayed synapomorphies with Anoiapithecus.

Taxonomy

Nacholapithecus was initially classified as belonging in Kenyapithecus, then attributed to Equatorius (with Equatorius perhaps grouped into a sub-family Equatorinae, instead of both species in Afropithecini), finally recognised by Ishida et al. (1999) as a separate genus. Classified perhaps as a member of the family Proconsulidae.

Fossil finds

Nacholapithecus kerioi is known from the lowest part of the Aka Aiteputh Formation, one of five formations in the Neogene System in Nachola, Samburu District, northern Kenya. The formation is largely part of the north-western rift flank overlying the Nachola Formation.


This page was last updated at 2023-05-11 05:29 UTC. Update now. View original page.

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