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A new Eliomys from the Late Miocene of Spain and its implications for the phylogeny of the genus

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Mansino S., Garcia-Alix A., Ruiz-Sanchez F. J., Montoya P.

Acta Palaeontologica Polonica

2015

tom 60

nr 3

In this paper, we describe a previously unknown species of the glirid Eliomys from the Late Miocene and Early Pliocene Cabriel, Alcoy and Granada basins of southeastern Spain. Eliomys yevesi sp. nov. is characterized by its relative small size, narrow lingual wall and common presence of two centrolophs in the upper molars, and well-developed centrol-ophids in the lower molars. The new species is the probable ancestor of E. intermedius, which in turn represents the ancestor of the extant E. quercinus. According to its morphologic and biometric features, the origin of E. yevesi sp. nov. is likely to be found in some population of E. truci from the Late Miocene. Based on these affinities, we propose the lineage E. truci-E. yevesi sp. nov.-E. intermedius-E. quercinus, in which there is a trend towards the development of centrolophs, as well as the reduction of accessory crests.

Ograniczanie wyników

1 Acta Palaeontologica Polonica

1 Garcia-Alix A.

1 Mansino S.

1 Montoya P.

1 Ruiz-Sanchez F. J.

1 2015

Wyniki wyszukiwania

A new Eliomys from the Late Miocene of Spain and its implications for the phylogeny of the genus