Serra da Arrabida, level 10c.: Early/Lower Barremian, Portugal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chlorophyceae
- Dasycladales
- Dasycladaceae
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Pianella sp.
Radoicic 1962
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Cyclamminidae
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Choffatella decipiens
Schlumberger 1905
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra tuberculifera
Koch and Dunker 1837
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| recombined as Ceratostreon tuberculiferum | |||||||
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Exogyra boussingaulti
d'Orbigny 1842
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| recombined as Amphidonte (Ceratostreon) boussingaulti | |||||||
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Ostracoda
- Podocopida
- Trachyleberididae
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Cythereis sp.
Jones 1849
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Ostracoda
- Podocopida
- Cytherideidae
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Asciocythere sp.
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Schuleridea sp.
Swartz and Swain 1946
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Ostracoda
- Podocopida
- Brachycytheridae
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Macrodentina sp. n. sp.
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Ostracoda
- Podocopida
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Fabanella ex gr. polita
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| see common names | |||||||
Geography
| Country: | Portugal |
| Coordinates: | 38.4° North, 9.2° West (view map) |
| Paleocoordinates: | 31.8° North, 1.3° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | hand sample |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Early/Lower Barremian | ||
| Age range of interval: | 125.77000 - 121.40000 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: | 2022-03-07 15:32:48 |
| Access level: | the public | Released: | 2007-06-13 00:30:22 |
| Creative Commons license: | CC BY |
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] |