''Morotopithecus'' is a species of fossil ape discovered in

Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...

-age deposits of Moroto,

Uganda }), is a landlocked country in East Africa. The country is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania. The ...

. The

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups ...

status of ''Morotopithecus bishopi'' is debated to the extent that it challenges established views on the connection between Miocene primates and extant

hominids The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the ...

(i.e.

great apes The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the ...

). Parsimonious phylogenetic analyses indicate ''Morotopithecus'' is more derived than ''

Proconsul A proconsul was an official of ancient Rome who acted on behalf of a consul. A proconsul was typically a former consul. The term is also used in recent history for officials with delegated authority. In the Roman Republic, military command, or ' ...

'', ''

Afropithecus ''Afropithecus'' is a genus of Miocene hominoid with the sole species ''Afropithecus turkanensis'', it was excavated from a small site near Lake Turkana called Kalodirr in northern Kenya in 1986 and named by Richard Leakey and Meave Leakey. ...

'', and ''

Kenyapithecus ''Kenyapithecus wickeri'' is a fossil ape discovered by Louis Leakey in 1961 at a site called Fort Ternan in Kenya. The upper jaw and teeth were dated to 14 million years ago. One theory states that ''Kenyapithecus'' may be the common ances ...

'', but less derived than ''

Oreopithecus ''Oreopithecus'' (from the Greek , and , , meaning "hill-ape") is an extinct genus of hominoid primate from the Miocene epoch whose fossils have been found in today's Tuscany and Sardinia in Italy. It existed nine to seven million years ago in ...

'', ''

Sivapithecus ''Sivapithecus'' () (syn: ''Ramapithecus)'' is a genus of extinct apes. Fossil remains of animals now assigned to this genus, dated from 12.2 million years old in the Miocene, have been found since the 19th century in the Siwalik Hills of the I ...

'', and '' Dryopithecus''. Under this arrangement, ''Morotopithecus'' would be a sister taxon to extant great apes while ''

Hylobates The genus ''Hylobates'' is one of the four genera of gibbons. Its name means "forest walker", from the Greek (, "forest") and (, "one who treads"). It was once considered the only genus, but recently its subgenera ('' Hoolock'' ormerly ''Bu ...

'' (

gibbon Gibbons () are apes in the family Hylobatidae (). The family historically contained one genus, but now is split into four extant genera and 20 species. Gibbons live in subtropical and tropical rainforest from eastern Bangladesh to Northeast Indi ...

s) seem to have branched off before this clade appeared. However, gibbons are believed to have branched off while ''Morotopithecus'' is dated to more than . In a comparison of teeth characteristics of ''Morotopithecus'' to ''

'' the results showed little difference, plus evidence gathered from cranial comparisons also indicate that the two genera may be the same, a conclusion of limited confidence due to the lack of evidence to produce a complete anatomy for both (Patel, Grossman 2005). Meanwhile, Pickford (2002) referred the vertebrae to '' Ugandapithecus'', and considered ''Morotopithecus'' synonymous with ''Afropithecus''.Pickford, M. (2002). New reconstruction of the Moroto hominoid snout and a reassessment of its affinities to Afropithecus turkanensis. Human Evolution, 17, 1–19.

References

{{Taxonbar, from1=Q18642042, from2=Q138110 Prehistoric apes Miocene primates of Africa Fossil taxa described in 1997 Prehistoric primate genera Miocene mammals of Africa Monotypic prehistoric primate genera