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- The evolutionary history of the primates can be traced back 57-85/90 million years. One of the oldest known primate-like mammal species, Plesiadapis, came from North America; another, Archicebus, came from China. Other similar basal primates were widespread in Eurasia and Africa during the tropical conditions of the Paleocene and Eocene.Purgatorius is the genus of the four extinct species believed to be the earliest example of a primate or a proto-primate, a primatomorph precursor to the Plesiadapiformes, dating to as old as 66 million years ago. David Begun has concluded that early primates flourished in Eurasia and that a lineage leading to the African apes and humans, including Dryopithecus, migrated south from Europe or Western Asia into Africa. The early European fauna is exemplified by Darwinius, dated to 47 million years, early Eocene. The surviving tropical population of primates, which is seen most completely in the upper Eocene and lowermost Oligocene fossil beds of the Faiyum depression southwest of Cairo, gave rise to all living species—lemurs of Madagascar, lorises of Southeast Asia, galagos or "bush babies" of Africa, and the anthropoids: platyrrhine or New World monkeys, catarrhines or Old World monkeys, and the great apes, which includes Homo sapiens. (en)
- L'ordre des Primates constituerait l'une des plus anciennes lignées de mammifères placentaires, dont l'apparition daterait de 80 à 65 millions d'années. Issus d'un ancêtre vraisemblablement insectivore (dont aucun fossile n'atteste l'existence à l'heure actuelle) qui évoluait au Crétacé supérieur, les Primates ont connu une radiation évolutive importante tout au long du Cénozoïque. Plusieurs divergences successives ont conduit à la formation des cinq grands ensembles de primates actuels : les lémuriens, les loris et galagos, les tarsiers, les singes du Nouveau Monde (Platyrrhiniens), et ceux de l'Ancien Monde (Catarrhiniens). (fr)
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- L'ordre des Primates constituerait l'une des plus anciennes lignées de mammifères placentaires, dont l'apparition daterait de 80 à 65 millions d'années. Issus d'un ancêtre vraisemblablement insectivore (dont aucun fossile n'atteste l'existence à l'heure actuelle) qui évoluait au Crétacé supérieur, les Primates ont connu une radiation évolutive importante tout au long du Cénozoïque. Plusieurs divergences successives ont conduit à la formation des cinq grands ensembles de primates actuels : les lémuriens, les loris et galagos, les tarsiers, les singes du Nouveau Monde (Platyrrhiniens), et ceux de l'Ancien Monde (Catarrhiniens). (fr)
- The evolutionary history of the primates can be traced back 57-85/90 million years. One of the oldest known primate-like mammal species, Plesiadapis, came from North America; another, Archicebus, came from China. Other similar basal primates were widespread in Eurasia and Africa during the tropical conditions of the Paleocene and Eocene.Purgatorius is the genus of the four extinct species believed to be the earliest example of a primate or a proto-primate, a primatomorph precursor to the Plesiadapiformes, dating to as old as 66 million years ago. (en)
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