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1989-10
Vol. 19, Fasc. 2
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Print ISSN: 0031-0247
Online ISSN: 2274-0333
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PalaeoVertebrata Vol. 19, Fasc. 2
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Article

Ostéologie de la tête de Richardus excavans Lavocat,1988
René Lavocat
Published online: 30/10/1989

Keywords: Africa; anatomy; Bathyergidae; Miocene; Rodents

https://doi.org/10.18563/pv.19.2.73-80

References: 7

Cite this article: René Lavocat, 1989. Ostéologie de la tête de Richardus excavans Lavocat,1988. PalaeoVertebrata 19 (2): 73-80. doi: 10.18563/pv.19.2.73-80

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Abstract

Remarkable association of a small infraorbital foramen, similar to that in recent Heterocephalus, and of a strong muscular print on the dorsal anterior part of the zygomatic plate and on the premaxillary. Several anatomical structures to be compared with those of Heterocephalus suggest relationships with this genus. Richardus supports the ancestrality of the hystricomorph character in the bathyergids 



Published in Vol. 19, Fasc. 2 (1989)

References

BUGGE, J., 1971. – The cephalic arterial system in New and Old World hystricomorphs, and in bathyergoids with special reference to the systematic classification of rodents. Acta anat., 80: 516-536. https://doi.org/10.1159/000143713

ELLERMAN, J.R., 1940. – The families and genera of living rodents. Vol. I: Rodents other than Muridae. British Museum (Nat. Hist.), Londres.

LAVOCAT, R., 1973. – Les rongeurs du Miocène d'Afrique Orientale. I. Miocène inférieur. Mem. Trav. Inst. Montpellier, E.P.H.E., 1: 1-284.

LAVOCAT, R., 1988. – Un rongeur bathyergidé nouveau remarquable du Miocène de Fort Ternan. C.R. Acad. Sci. Paris, sér. 2, 306: 1301-1304.

MAIER, W. & SCHRENK, F., 1978. – The hystricomorphy of the Bathyergidae, as determined from ontogenetic evidence. Z. Säugetierkunde, 52 (3): 156-164.

TULLBERG, T., 1899. – Über das System der Nagethiere. Eine phylogenetische Studie. Upsala. https://doi.org/10.5962/bhl.title.1733

WOOD, A.E., 1985. – The relationships, origin and dispersal of the hystricognathous rodents. In: W.P. LUCKETT & J.L. HARTENBERGER (Eds.), Evolutionary relationships among Rodents: 475-513. Plenum Press, New York. https://doi.org/10.1007/978-1-4899-0539-0_18 
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