Almargem, Parada section, level 9c.: Aptian, Portugal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Hedbergellidae
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Hedbergella sp.
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina sp.
Lamarck 1804
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Lituolida
- Lituolidae
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Textulariidae indet.
Ehrenberg 1838
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Cyclamminidae
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Choffatella decipiens
Schlumberger 1905
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Ophiuroidea
- Ophiurida
- Ophiuridae
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Ophiuridae indet.
Lyman 1865
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Echinoidea
- Camarodonta
- Echinidae
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Echinidae indet.
Gray 1825
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unclassified
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Chordata indet.
Haeckel 1874
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra boussingaulti
d'Orbigny 1842
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| recombined as Amphidonte (Ceratostreon) boussingaulti | |||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea aff. palaemon
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Ostracoda
- Podocopida
- Brachycytheridae
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Macrodentina sp. n. sp.
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Ostracoda
- Podocopida
- Cytheruridae
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Eocytheropteron sp.
(Alexander 1933)
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| original and current combination Cytheropteron (Eocytheropteron) | |||||||
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Ostracoda
- Podocopida
- Trachyleberididae
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Cythereis bartensteini
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| see common names | |||||||
Geography
| Country: | Portugal |
| Coordinates: | 38.8° North, 9.3° West (view map) |
| Paleocoordinates: | 31.2° North, 1.6° East |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Aptian | 10 m.y. bin: | Cretaceous 3 |
| Key time interval: | Aptian | ||
| Age range of interval: | 121.40000 - 113.00000 m.y. ago |
Stratigraphy
| Formation: | Marnes à Huîtres | ||||
| Local section: | Parada section | Local bed: | 9c | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 12m | |||||
Lithology and environment
| Primary lithology: | green,yellow,blue poorly lithified marl |
| Secondary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 73547 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-06-19 08:23:38 | Last modified: | 2007-06-19 11:23:38 |
| Access level: | the public | Released: | 2007-06-19 08:23:38 |
| 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] |