author = "López Martínez, Nieves"

Encontrado 80 documentos, página mostrada 1 de 8

La extinción de los dinosaurios y su registro en los Pirineos Meridionales.

Description: En el tránsito Cretácico-Terciario la biosfera sufrió una importante renovación, atribuida a un evento catastrófico a escala planetaria causado por un impacto meteorítico en el límite Cretácico-Terciario (KTb). Las anomalías geoquímicas y el registro fósil indican que numerosas especies se extinguie...
Language(s): Español

Paleobiogeographical history of Prolagus, an European ochotonid (Lagomorpha)

Description: Prolagus is one of the world's longest mammalian lineage, dwelling for more than 20 million years, 24 Ma if its direct ancestor Piezodus is taken into account, in Europe, Anatolia and northern Africa. Prolagus fossils form locally very rich assemblages, indicating that it was a common prey supportin...
Language(s): Inglés

Eggshell sites from the Cretaceous–Tertiary transition in south-central Pyrenees (Spain)

Description: Near one hundred fossil sites containing dinosaur and avian eggs and eggshells have been recorded from coastal and non-marine deposits of late Cretaceous to late Paleocene age in South-central Pyrenees. Five eggsite types have been distinguished, three of them with autochthonous and two with allocht...
Language(s): Inglés

The search for the centre of origin in Historical Biogeography La búsqueda del centro de origen en Biogeografía Histórica

Description: We study the application of the concept ‘centre of origin’ in Historical Biogeography through the predictions of a commonly used biogeographic model, here defined as “symmetric model”: i) local appearance of new species, followed by ii) expansion of the range of the distribution area of the new spec...
Language(s): Español

New paleontological data from the Pleistocene Manzanares Valley (Madrid, Spain): The micromammals from the Arenero de Arriaga site Nuevos datos paleontológicos del Pleistoceno en el Valle del Manzanares (Madrid, España): Los micromamíferos del yacimiento del Arenero de Arriaga

Description: The micromammals from the archaeological site of the Arenero de Arriaga from the Manzanares Valley are here described. They are the Soricomorpha: Crocidura sp. and Talpa sp., the Rodentia: Eliomys quercinus quercinus, Apodemus sp., Microtus brecciensis, Microtus arvalis, Microtus duodecimcostatus an...
Language(s): Español

Los Micromamíferos (Insectivora, Rodentia y Lagomorpha) del Vallesiense inferior de Los Valles de Fuentidueña (Segovia, España)

Description: RESUMEN Los micromamíferos del Vallesiense de los Valles de Fuentidueña han proporcionado tres insectívoros, ocho roedores y un lagomorfo. El estudio sistemático de insectívoros y lagomorfos se realiza por primera vez, destacándose la presencia de Galerix socialis y de un Prolagus cf. crusafonti muy...
Language(s): Español

Porosity of Late Paleocene Ornitholithus eggshells (Tremp Fm, south-central Pyrenees, Spain: Palaeoclimatic implications

Description: Eggshell fragments of ratite type (Ornitholithus, oofamily Elongatoolithidae)–attributed to giant birds–are described from Upper Paleocene deposits in the Pyrenean–Provence region. We study the porosity of a rich Ornitholithus sample from Claret-4 locality (Tremp Fm, Lleida, Spain), closely related ...
Language(s): Inglés

Encontrado 80 documentos, página mostrada 1 de 8

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