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1980-10
Vol. 9, Ext
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Print ISSN: 0031-0247
Online ISSN: 2274-0333
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PalaeoVertebrata Vol. 9, Ext
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Article

L'occlusion dentaire chez Peradectes, Amphiperatherium et Peratherium, Marsupiaux du tertiaire d'Europe.
Jean-Yves Crochet
Published online: 01/10/1980

Keywords: Didelphidae; Eocene; Mastication; Oligocene; Wear facets

https://doi.org/10.18563/pv.9.ext.79-89

References: 7

Cite this article: Jean-Yves Crochet, 1980. L'occlusion dentaire chez Peradectes, Amphiperatherium et Peratherium, Marsupiaux du tertiaire d'Europe. PalaeoVertebrata 9 (ext): 79-89. doi: 10.18563/pv.9.ext.79-89

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Abstract

The general principles guiding the study of wear facets which develop during mastication in mammals possessing tribosphenic molars are named. The application of this method of study to the molars of European Tertiary Didelphidae shows that the lineage of this family as represented by the species Peratherium cuvieri (Upper Eocene), P. elegans (Lower-middle Oligocene) and P. antiquum (Upper Oligocene) has propessively evolved toward a more carnivorous diet. 



Published in Vol. 9, Ext (1980)

References

BUTLER P.M., 1972. — Some functional aspects of molar pattern. Evolution, 26 : 474-483, 6 fig. https://doi.org/10.1111/j.1558-5646.1972.tb01951.x

CROCHET J.Y., 1978. — Les marsupiaux du Tertiaire d'Europe. Thèse présentée à l'Université des Sciences et Techniques du Languedoc. 2 vol., 360 p., 244 fig., 99 tabl., 2 pl. (à paraître).

CROCHET J.Y., 1979. — Diversité systématique des Didelphidae (Marsupialia) européens tertiaires. Géobios, 12, (3) : 365-378, 16 fig. https://doi.org/10.1016/S0016-6995(79)80117-5

CROMPTON A.W. et HIIEMAE K., 1970. — Molar occlusion and mandibular movements during occlusion in the American opposum Didelphis marsupialis L.. Zool. J. Linn. Soc., 49, (1) : 21-47, 10 fig., 1 pl. https://doi.org/10.1111/j.1096-3642.1970.tb00728.x

EVERY R.G. et KUHNE W.G., 1971. — Bimodal wear of mammalian teeth. In : Early mammals (ed. D.M. et K.A. Kermack). J. Linn. Soc. (Zool.), suppl. vol. 50 : 23-27, 1 fig., 1 pl.

MILLS J.R.E., 1966. — The functional occlusion of the teeth of Insectivora. J. Linn. Soc., 46 (308) : 1-25, 22 fig. https://doi.org/10.1111/j.1096-3642.1966.tb00081.x

RUSSELL D.E., 1975. — Paleoecology of the Paleocene-Eocene Transition in Europe. In : Szalay : Approaches to Primate Paleobiology. Contrib. Primat., 5 : 28-61, 7 fig. 
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