Thesis Collection
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Browsing by Author "Astibia, H."
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Análisis preliminar de los ostrácodos del Mioceno Inferior de las Bardenas Reales de Navarra (Cuenca del Ebro)
(Sociedad Geológica de España, 1997)The outcrops of the Tudela Formation, Lower Miocene (Ramblian), in the Bardenas Reales of Navarra (western area of the Ebro Basin) are very rich on vertebrate remains (fishes, amphibians, reptiles, birds and mammals), ... -
Estudio geoquímico de fósiles de vertebrados de varias localidades del Cretácico Superior y Paleógeno de los Pirineos occidentales
(Sociedad Geológica de España, 2004)The diagenetic history of four vertebrate localities from the western Pyrenees (Laño and Zambrana in the Basque-Cantabrian Region, Ardanatz and Uztarrotz in the Pamplona Basin) is analyzed. The sites range stratigraphically ... -
Fósiles de pisadas de aves en el Oligoceno de Etaio (Navarra, Cuenca del Ebro)
(2006)In this paper, we report and describe avian fossil remains recently found near the village of Etaio (Navarra province). The remains are small footprints and casts that may be attributed to Charadriiformes. Of the three ... -
Fossil associations from the middle and upper Eocene strata of the Pamplona Basin and surrounding areas (Navarre, western Pyrenees)
Astibia, H.; Tosquella Angrill, Josep
(Universidad Complutense de Madrid, 2016)
Fossil associations from the middle and upper Eocene (Bartonian and Priabonian) sedimentary succession of the Pamplona Basin are described. This succession was accumulated in the western part of the South Pyrenean peripheral ... -
Icnitas de perisodáctilos en el Oligoceno de Navarra: posición estratigráfica y sistemática
(Sociedad Geológica de España, 1999)Several mammal footprints from the Mués area (Navarre, Ebro basin) are preliminary described. Owing to their morphology, the footprints are assigned to Equoidea and referred to Piagiolophustipus. It represents the second ... -
Las playas cementadas del “Antropoceno” de Bizkaia, País Vasco: origen y degradación
(Sociedad Geológica de España, 2015)La siderurgia Altos Hornos de Vizcaya vertió al mar casi 30 millones de toneladas de residuos entre 1902 y 1966. En su mayor parte se consolidaron en la plataforma marina, pero una fracción significativa fue arrastrada ... -
New fossils of Sirenia from the Middle Eocene of Navarre (Western Pyrenees) : the oldest West European sea cow record
Tosquella Angrill, Josep; Astibia, H.; Bardet, Nathalie; Pereda Suberbiola, Xabier; Payros, Aitor; De Buffrenil, V.; Elorza, Javier; Berreteaga, A.; Badiola, A. (GeoScience World, 2010-09)
Postcranial remains of Sirenia from the early Middle Eocene (late Lutetian) Urbasa-Andia Formation of Navarre (Western Pyrenees) are described. The material consists of two partial atlas vertebrae, one humerus and several ... -
Nuevos restos fósiles de vertebrados continentales en el Cretácico Superior de Álava (Región Vasco-Cantábrica): sistemática y posición estratigráfica
(Sociedad Geológica de España, 1999)Recent field work in the Upper Cretaceous continental beds of the Basco-Cantabrian Region has yielded new vertebrate fossil remains. Both dinosaur and turtle bones have been recovered from fluviatile sediments (sub-unit ... -
Primeros datos sobre los quelonios del Cretácico superior eje Lleida
(Sociedad Geológica de España, 1997)Chelonian plate remains from the uppermost Cretaceous (Maastrichtian) of the Lleida Province in Catalonia are described for the first time. Both cryptodire and pleurodire turtles are represented in the assemblage. An ... -
Tortugas y sirenios fósiles en el Eoceno marino de Navarra y Cuenca de Jaca
Astibia, H.; Murelaga, Xabier; Payros, Aitor; Pereda Suberbiola, Xabier; Tosquella Angrill, Josep (Sociedad Geológica de España, 1998)
We report several remains of turtles and sirenians from the marine Eocene (Bartonian) of the Pamplona Area (Navarre) and Santa Cilia de Jaca (Huesca), South Pyrenean Basin. Turtles are represented by fragmentary neural ...
