Aldeia de Juzo, Sintra area, level 10: Valanginian, Portugal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lituolida
- Haplophragmoididae
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Haplophragmoides sp.
Cushman 1910
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Lituolida
- Lituolidae
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Textulariidae indet.
Ehrenberg 1838
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Cuneolinidae
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? Cuneolina sp.
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina sp.
Lamarck 1804
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Trocholinidae
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Trocholina elongata
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Trocholina alpina
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Rhynchonellata
- Terebratulida
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Terebratulida indet.
Waagen 1883
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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Bivalvia
- Ostreida
- Ostreidae
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Lopha rectangularis
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra couloni
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Cephalopoda
- Belemnitida
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Belemnitida indet.
Zittel 1895
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Echinoidea
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Echinoidea indet.
(Leske 1778)
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Astraeidae
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Montlivaultia sp.
(Lamouroux 1821)
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| original and current combination Montlivaltia | |||||||
| see common names | |||||||
Geography
| Country: | Portugal |
| Coordinates: | 38.7° North, 9.5° West (view map) |
| Paleocoordinates: | 32.8° North, 0.7° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | hand sample |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago |
Stratigraphy
| Local section: | Aldeia de Juzo | Local bed: | 10 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 5 m | |||||
Lithology and environment
| Primary lithology: | intraclastic,gray lithified "limestone" |
| Secondary lithology: | lithified sandy,calcareous marl |
| Includes fossils? | Y |
| Environment: | transition zone/lower shoreface |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | difficult macrofossils |
| Collection methods: | bulk,surface (in situ),field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 65681 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate |
| Created: | 2006-09-24 09:27:59 | Last modified: | 2006-09-24 12:27:59 |
| Access level: | the public | Released: | 2006-09-24 09:27:58 |
| 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] |