Nivel X-Fisura, Los Valles de Fuentiduenya (Segovia): Vallesian, Spain

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Ranidae
Rana sp. Linnaeus 1758
Sanchiz 1981 1 specimen
1 sacral fragment
Amphibia - Temnospondyli
Latonia cf. seyfriedi von Meyer 1843
Sanchiz 1981 29 specimens
2 mandibles, 2 maxillae, 1 premaxilla, plus postcrania.
Amphibia - Temnospondyli - Urodela
Salamandridae indet. Gray 1825
Sanchiz 1981 2 specimens
1 vertebral fragment, 1 rib.
Mammalia - Rodentia - Sciuridae
Atlantoxerus adroveri
Sese Benito and Lopez Martinez 1981 1 specimen
1 lower left P4.
Mammalia - Lagomorpha - Ochotonidae
Prolagus cf. crusafonti López Martinez 1977
Sese Benito and Lopez Martinez 1981 1 specimen
1 upper right M2.
Mammalia - Erinaceidae
Galerix socialis von Meyer 1865
Sese Benito and Lopez Martinez 1981 1 specimen
1 upper P3.
Reptilia - Testudines - Emydidae
? Emydidae indet. Rafinesque 1815
Jimenez Fuentes 1981 1 specimen
small carapace fragment.
Reptilia - Testudines - Testudinidae
Testudo aff. catalaunica Bataller 1926
Jimenez Fuentes 1981 17 specimens
synonym of Testudo antiqua
carapace fragments.
Testudo sp. n. sp. Linnaeus 1758
Jimenez Fuentes 1981 2 specimens
Testudo sp. (nov. sp.?) (aff. catalaunica Batller, 1926). carapace fragments.
Reptilia - Colubridae
Colubridae indet. Oppel 1811
Sanchiz 1981 20 specimens
8 vertebrae, 12 vertebral fragments.
Reptilia - Amphisbaenidae
Amphisbaenidae indet. Gray 1865
Sanchiz 1981 1 specimen
1 vertebral fragment.
Reptilia - Anguidae
Ophisaurus sp. Daudin 1803
Sanchiz 1981 43 specimens
2 maxillae, 4 vertebrae, 37 dermal scales.
Actinopteri - Cypriniformes - Cyprinidae
Rutilus pachecoi
Doadrio 1981 2 specimens
2 pharangeal teeth
see common names

Geography
Country:Spain
Coordinates: 41.4° North, 0.3° West (view map)
Paleocoordinates:41.6° North, 1.2° West
Basis of coordinate:stated in text
Time
Period:Neogene Epoch:Miocene
Stage:Tortonian 10 m.y. bin:Cenozoic 6
Key time interval:Vallesian
Age range of interval:11.60800 - 8.70000 m.y. ago
Stratigraphy
Local bed:X-Fisura
Regional section:Duero Basin
Stratigraphy comments: Miocene, MN9-10. There are 5 levels with fossil remains, level X is the highest in the section (approximately 100m above level Y3).
Lithology and environment
Lithology description: 'Microconglomerado de gravas y arenas de cuarzo que rellena el micropaleorrelieve carstico anterior. Presenta cambios laterales a limos y arcillas verdes laminates y arcillas marron-negruzcas ricas en materia organica. Las zonas conglomeratidos estan cementadas por cabonatos hojosos muy porosos y blanquecinos, posiblemente edaficos. Aparecen algunos cantos blandos y huesos muy dispersos. Potencia variable de 10 a 40 centimetros. Excepto en 'X-fisura', donde la potenci es algo mayor.'P. 349.
Environment:alluvial fan
Geology comments: A pond system with a little alluvial fan in which most of the bones have been found.
Taphonomy
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Also known as:Nivel X-Fisura, Los Valles de Fuentidueña
Database number:40765
Authorizer:A. Turner Enterer:H. O'Regan
Modifier:H. O'Regan Research group:PACED
Created:2004-06-30 07:13:40 Last modified:2004-06-30 11:25:15
Access level:the public Released:2004-06-30 07:13:40
Creative Commons license:CC BY
Reference information

Primary reference:

11005.PACED M. Hoyos, M. A. Garcia del Cura, and S. Ordonyez. 1981. Caracteristicas geologicas de yacimiento de los Valles de Fuentiduenya (Segovia). Estudios Geologicos 37:345-351 [A. Turner/H. O'Regan/H. O'Regan]

Secondary references:

11006PACED I. Doadrio. 1981. Restos de la ictiofauna del Mioceno de Los Valles de Fuentidueña (Segovia). Estudios Geologicos 37:353-354 [A. Turner/H. O'Regan/H. O'Regan]
11009PACED E. Jimenez Fuentes. 1981. Primeros testudinidae (Chelonia) del Vallesiense de Los Valles de Fuentidueña (Segovia). Estudios Geologicos 37:359-368 [A. Turner/H. O'Regan/H. O'Regan]
11007PACED B. Sanchiz. 1981. Nota sobre la herpetofauna Miocenica de los Valles de Fuentidueña (Segovia). Estudios Geologicos 1981:355-358 [A. Turner/H. O'Regan/H. O'Regan]
11010PACED C. Sese Benito and N. Lopez Martinez. 1981. Los micromammiferos (insectivora, rodentia y lagomorpha) de Vallesiense inferior de Los Valles de Fuentidueña (Segovia, España). Estudios Geologicos 37:369-381 [A. Turner/H. O'Regan/H. O'Regan]