Los yacimientos de vertebrados continentales del Aragoniense superior (Mioceno medio) de Toril, Cuenca de Calatayud-Daroca



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Azanza, B. and Alonso-Zarza, Ana María and Álvarez-Sierra, M. Ángeles and Calvo Sorando, José Pedro and Fraile, S. and García-Paredes, I. and Gómez, E. and Hernández Fernández, Manuel and Meulen, Albert J. van der and Miguel, D. de and Montoya, Plini and Morales Romero, Jorge and Murelaga, Xabier and Peláez Campomanes, Pablo and Pérez, B. and Quiralte, Victoria and Salesa Calvo, Manuel J and Sánchez, Israel M. and Sanchez Marco, Antonio and Soria, D. (2004) Los yacimientos de vertebrados continentales del Aragoniense superior (Mioceno medio) de Toril, Cuenca de Calatayud-Daroca. Geotemas, 6 (2). pp. 271-274. ISSN 1576-5172

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The paleontological sites of Toril 3A and B (Upper Aragonian, Biozone C3, MN 7/8) posses an exceptional and abundant fauna of vertebrates. From 1997 until 2001 these two localities have been object of systematic paleontological excavations. Up to now 36 species of large and small mammals have been found in these localities; the association of vertebrates also includes amphibians, reptiles and birds, among the remains of fossils birds it is frequent to found egg shell fragments. There are not significant differences in the qualitative and quantitative faunistic composition of the two sites; in both the undetermined bone fragments and the remains of chelonians, most of them dermal bones, are the dominant fossils. An important characteristic is the abundance of small size hornless ruminants, which are quite scarce in the stratified sites of the Spanish Aragonian. Neither there are differences in the composition of the micromammals, the association is overwhelmingly dominated (more than 95%) for different cricetid species; in Toril 3A beavers reappears for the first time during the Aragonian, and they will be frequent in younger faunas of the same basin. The fossils were deposited in different sedimentary environments, related with alluvial and shallow lacustrine environments.

Item Type:Article
Uncontrolled Keywords:Vertebrates, Mammals, Upper Aragonian, Toril-Nombrevilla, Daroca
Subjects:Sciences > Geology > Paleontology
ID Code:60740
Deposited On:02 Jun 2020 11:04
Last Modified:02 Jun 2020 11:04

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