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- W1972629148 abstract "Le peuplement mammalien d'Afrique du Nord durant le Miocène terminal est examiné sous trois aspects: survivances, extinctions et immigrations. Pour les grands mammifères, les affinités eurasiatiques l'emportent à peine sur les affinités éthiopiennes; en revanche, la faune de micromammifères est caractérisée à cette époque par un taux d'endémicité très élevé. Par ailleurs, si les micromammifères indiquent sans ambiguïté des échanges intercontinentaux Afrique-Europe de l'Ouest à la fin du Miocène, les grands mammifères, par contre, ne nous fournissent encore aucune démonstration claire. Manifestement ces échanges ont été limités. Enfin, le renouvellement faunique durant le Turolien est important; ainsi, parmi les grands mammifères, plus de dix taxons disparaissent vers la limite mio-pliocène. Ces extinctions sont contrebalancées par tout un cortège de formes immigrées (8 à 14 taxons). The late Miocene North African mammalianassemblage is considered here from three viewpoints: survivals, extinctions, and immigrations. The Eurasiatic affinities of the large mammals slightly prevail over the Ethiopian affinities. Amongst the North African large mammals, 4 to 8 taxa are Eurasiatic immigrants, while 4 to 6 are of Subsaharian origin. Contrarily, the micromammalian fauna is highly endemic, with only one species, a murid (Paraethomys miocaenicus), considered here as being related to an Asiatic form (Karnimata darwini). Our study of Eurasian and African Miocene faunas reveals that during the late Astaracian-early Turolian interval, the Saharo-Arabic belt permitted very little latitudinal faunal exchanges. However, during the middle and late Turolian such faunal exchanges became frequent. The micromammal record unequivocally indicates that a brief period of faunal exchange occurred between Africa and western Europe at the end of the Miocene, corresponding with the Messinian Salinity Crisis. The increased intercontinental faunal exchange between Africa and Eurasia during the late Miocene coincides with, and counterbalances the extinction of more than 10 taxa at the Mio/Pliocene boundary." @default.
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- W1972629148 date "1982-01-01" @default.
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- W1972629148 title "Origines du peuplement mammalien en Afrique du Nord durant le miocène terminal" @default.
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- W1972629148 doi "https://doi.org/10.1016/s0016-6995(82)80082-x" @default.
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