''Afrotarsius'' is a
primate
Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians ( monkeys and apes, the latter including ...
found in the
Paleogene of Africa.
The first species to be named, ''Afrotarsius chatrathi'', was named in 1985 on the basis of a single lower jaw from the
Oligocene of
Fayum
Faiyum ( ar, الفيوم ' , borrowed from cop, ̀Ⲫⲓⲟⲙ or Ⲫⲓⲱⲙ ' from egy, pꜣ ym "the Sea, Lake") is a city in Middle Egypt. Located southwest of Cairo, in the Faiyum Oasis, it is the capital of the modern Faiyum ...
, Egypt, and tentatively referred to the
tarsier family (Tarsiidae). However, this relationship immediately proved controversial, and in 1987 the animal was placed in a separate family
Afrotarsiidae related to
simians. A tarsier-like
tibiofibula was allocated to ''Afrotarsius'' in 1998, but the identity of this bone is controversial. In 2010, a second species of the genus, ''Afrotarsius libycus'', was named from the
Eocene
The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...
of
Dur At-Talah, Libya, on the basis of isolated upper and lower teeth. Features of these teeth were interpreted as additional evidence for a relationship between ''Afrotarsius'' and anthropoids. A second afrotarsiid genus, ''
Afrasia'', was named in 2012 from the Eocene
Pondaung Formation of Myanmar. In the same paper, Afrotarsiidae was placed together with the Asian
Eosimiidae in an infraorder
Eosimiiformes, in the simians.
However, some studies indicate that it should be placed in
Tarsiiformes
Tarsiiformes are a group of primates that once ranged across Europe, northern Africa, Asia, and North America, but whose extant species are all found in the islands of Southeast Asia. Tarsiers (family Tarsiidae) are the only living members o ...
.
Evolutionary history
References
Literature cited
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{{Taxonbar, from=Q4690324
Eocene primates
Eocene mammals of Africa
Eocene genus first appearances
Oligocene extinctions
Oligocene primates
Oligocene mammals of Africa
Prehistoric primate genera
Fossil taxa described in 1985