Serra da Arrabida, level 10c.: Early Barremian, Portugal

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda - Podocopida - Trachyleberididae
Cythereis sp. Jones 1849
Ostracoda - Podocopida - Brachycytheridae
Ostracoda - Podocopida - Cytherideidae
Schuleridea sp. Swartz and Swain 1946
Ostracoda - Podocopida
Gastropoda - Naticidae
Naticidae indet. Guilding 1834
Bivalvia - Ostreida - Gryphaeidae
Exogyra tuberculifera Koch and Dunker 1837
Exogyra boussingaulti d'Orbigny 1842
Cyclamminidae
Choffatella decipiens Schlumberger 1905
Chlorophyceae - Dasycladales - Dasycladaceae
Pianella sp. Radoicic 1962
see common names

Geography
Country:Portugal
Coordinates: 38.4° North, 9.2° West (view map)
Paleocoordinates:28.8° North, 15.0° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Barremian 10 m.y. bin: Cretaceous 2
Key time interval: Early Barremian
Age range of interval: 125.77 - 121.4 m.y. ago
Stratigraphy
Formation:Papo Seco
Local section:Serra da Arrabida Local bed:10c
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: 12m
originally the "Grès à Dinosauriens"
Lithology and environment
Primary lithology:lenticular,fine,yellow lithified sandstone
Secondary lithology:gypsiferous,green,white poorly lithified carbonaceous marl
Includes fossils?Y
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:bulk,surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:73352
Authorizer:L. Villier Enterer:L. Villier
Modifier:M. Carrano Research group:marine invertebrate
Created:2007-06-13 00:30:22 Last modified:2025-02-22 15:12:02
Access level:the public Released:2007-06-13 00:30:22
Creative Commons license:CC0
Reference information

Primary reference:
18719. J. Rey. 1972. Recherches géologiques sur le Crétacé inférieur de l'Estremadura (Portugal). Serviços Geologicos de Portugal 21:1-477 [L. Villier/L. Villier]