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Comparative morphometrics of the first lower molar in Microtus [Terricola] cf.liechtensteini of the Eastern Alps

100%

Spitzenberger F. , Brunet-Lecomte P. , Nadachowski A. , Bauer K.

Acta Theriologica

2000

tom 45

nr 4

The M,-morphology of seven isolated populations of voles displaying a pitymyan rhombus from the Eastern Alps (including the probably extinct Microtus bavaricus) was compared with that of M. multiplex, M. liechtensteini, and M. tatricus as well as among each other, by using discriminant and canonical discriminant analyses. The genera! morphometry of the M, and the analysis of the Mj parameters show these populations to be related to M. liechtensteini and multiplex, more closely to liechtensteini but not in complete accordance with comparative liechtensteini-material from Slovenia and Croatia. The seven samples show a remarkable variation between each other that cannot be associated with their respective geographic provenance. They can be classified into three groups, one consisting of M. bavaricus only, one of true liechtensteini (Carinlhia and Eastern Tyrol) and a third represented by a sample of the upper Enns valley in Styria, characterized by a very aberrant M, morphology. Naturhistorisches Museum, P.O. Box 417, A-1014 Wien, Austria (PS, KB); Biogéo- sciences UMR CNRS 5561 et Laboratoire de Paléobiodiversité et Préhistoire de l'EPHE, Centre des sciences de la Terre, Université de Bourgogne, 6 Bd Gabriel, F 21000 Dijon, France (PB-L); Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Slawkowska 17, PL 31-016 Kraktiw, Poland (AN)

Evolutionary divergence of Microtus liechtensteini [Rodentia, Arvicolidae] based on the first lower molar

80%

Brunet-Lecomte P. , Krystufek B.

Acta Theriologica

1993

tom 38

nr 3

Morphometrical analysis of the first lower molar (Mi) confirmed Microtus liechtensteini (Wettstein, 1927) to be closer to M. multiplex than to M, subterranean. In the terms of the inclination of the pitymyan rhombus, M. liechtensteini appeared to be more evolved than M. multiplex. Significant interpopulation variability was recorded as regards morphometrical analysis of Mi in M. liechtensteini: M, I. petrovi was larger than the nominate race M. I. liechtensteini, while populations from the sub-Mediterranean zone differed by more open anterior loop.