Serra de Arabida, Cabo Espichel, level 6b: Valanginian, Portugal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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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Cephalopoda
- Ammonitida
- Neocomitidae
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Neocomites aff. neocomiensis
(d'Orbigny 1841)
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Bivalvia
- Pectinida
- Neitheidae
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Neithea atava
(Roemer 1839)
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra couloni
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Bivalvia
- Ostreida
- Ostreidae
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Lopha rectangularis
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Rhynchonellata
- Rhynchonellida
- Rhynchonellidae
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Terebratula acuta
Sowerby 1816
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recombined as Homoeorhynchia acuta | ||||||||||
Rhynchonellata
- Terebratulida
- Zeilleriidae
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Zeilleria sp.
Bayle 1878
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Crinoidea
- Millericrinida
- Apiocrinitidae
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Apiocrinus sp.
Miller 1821
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nomen vanum belonging to Apiocrinites | ||||||||||
Echinoidea
- Cidaroida
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Plegiocidaris muricata
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spines | ||||||||||
Echinoidea
- Cidaroida
- Rhabdocidaridae
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Rhabdocidaris tuberosa
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spines | ||||||||||
Rhabdocidaris delgadoi
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spines | ||||||||||
Echinoidea
- Pseudodiadematidae
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Heterodiadema arrabidense n. sp.
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2 specimens | |||||||||
Echinoidea
- Holectypoida
- Holectypidae
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Holectypus almeidae
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15 specimens | |||||||||
Echinoidea
- Holasteroida
- Holasteridae
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Holaster sp.
Agassiz 1836
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5 specimens | |||||||||
Echinoidea
- Spatangoida
- Toxasteridae
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Toxaster casterasi n. sp.
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2 specimens | |||||||||
Toxaster aff. subcavatus
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2 specimens | |||||||||
Echinoidea
- Clypeidae
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Pygurus rostratus
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1 specimen | |||||||||
Echinoidea
- Nucleolitidae
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Pygorhynchus sp.
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1 specimen | |||||||||
Echinoidea
- Phymosomatidae
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Phymosoma debile
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1 specimen | |||||||||
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: | 38.4° North, 9.2° West (view map) |
Paleocoordinates: | 32.4° 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 - 132.90000 m.y. ago |
Stratigraphy
Local section: | Serra de Arrabida | Local bed: | 6b | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: 3 m |
Lithology and environment
Primary lithology: | ferruginous,brown lithified calcareous sandstone |
Includes fossils? | Y |
Environment: | transition zone/lower shoreface |
Taphonomy
Modes of preservation: | body |
Preservation of anatomical detail: | medium |
Temporal resolution: | time-averaged |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 64952 | ||
Authorizer: | L. Villier | Enterer: | L. Villier |
Modifier: | L. Villier | Research group: | marine invertebrate |
Created: | 2006-09-18 00:39:17 | Last modified: | 2006-09-25 04:33:48 |
Access level: | the public | Released: | 2006-09-18 00:39:17 |
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] |