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1996-12
Vol. 25, Fasc. 2-4
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Print ISSN: 0031-0247
Online ISSN: 2274-0333
Frequency: biannual

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PalaeoVertebrata Vol. 25, Fasc. 2-4
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Article

A new hypothesis for the origin of African Anomaluridae and Graphiuridae (Rodentia)
Monique Vianey-Liaud Logo and Jean-Jacques Jaeger Logo
Published online: 12/16/96

Keywords: Africa; Anomaluridae; Gliridae; Graphiuridae; Paleontology; PHYLOGENY; Rodentia

Cite this article: Monique Vianey-Liaud and Jean-Jacques Jaeger, 1996. A new hypothesis for the origin of African Anomaluridae and Graphiuridae (Rodentia). PalaeoVertebrata 25 (2-4): 349-358.

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Abstract

A new hypothesis for the phylogenetic relationships of recent anomalurids and graphiurids is proposed, based on information from evolutionary lineages of Paleogene European rodents, particularly Gliridae, and Eocene Algerian Zegdoumyidae. Differences in first occurrences, in paleogeography, and in infraorbital structure in glirids (protrogomorphy and pseudomyomorphy) and graphiurids (hystricomorphy) separate Graphiuridae from Gliridae (Graphiurinae is here raised to family rank). Similar considerations, and dental morphology, suggest that Anomaluridae (appearing in the late Eocene) and Graphiuridae (appearing in the Pliocene) are related to early Eocene Zegdoumyidae. 



Published in Vol. 25, Fasc. 2-4 (1996)
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