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1 May 2014 Machairodus aphanistus (Felidae, Machairodontinae, Homotherini) from the Late Miocene (Vallesian, Mn 10) Site of Batallones-3 (Torrejón De Velasco, Madrid, Spain)
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Abstract

In the present work we conduct a comparative study of the cranial and dental samples of the early machairodontine Machairodus aphanistus from the Vallesian (MN 10) sites of Batallones-1 and Batallones-3 (Torrejón de Velasco, Madrid, Spain). These sites, which have yielded the most abundant and complete samples of this felid, show interesting differences in faunal composition and age, thus providing a unique opportunity for both qualitative and quantitative comparisons between two populations of the same species. The study reveals differences in a number of cranial features, and statistically significant differences in teeth size and proportions. Although probably not enough to support a separation at the species level, these observations fit well with the morphological evolution of the lineage leading towards more derived forms such as the Turolian Amphimachairodus giganteus.

© 2014 by the Society of Vertebrate Paleontology
Marcos F. G. Monescillo, Manuel J. Salesa, Mauricio Antón, Gema Siliceo, and Jorge Morales "Machairodus aphanistus (Felidae, Machairodontinae, Homotherini) from the Late Miocene (Vallesian, Mn 10) Site of Batallones-3 (Torrejón De Velasco, Madrid, Spain)," Journal of Vertebrate Paleontology 34(3), 699-709, (1 May 2014). https://doi.org/10.1080/02724634.2013.804415
Received: 18 February 2013; Accepted: 1 May 2013; Published: 1 May 2014
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