Serra da Arrabida, level 11a. (Cretaceous of Portugal)

Where: Portugal (38.4° N, 9.2° W: paleocoordinates 31.7° N, 1.4° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Calcaires à Rudistes de Boca do Chapim Formation, Barremian (129.4 - 125.0 Ma)

• 6m

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray, blue, sandy grainstone and poorly lithified marl

Collection methods: bulk, surface (in situ),

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

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 73354: authorized by Loic Villier, entered by Loic Villier on 13.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Echinoidea
 Camarodonta - Echinidae
Echinidae indet. Gray 1825 sea urchin
Ostracoda
 Platycopida - Cytherellidae
Cytherella sp. Jones 1849 ostracod
 Podocopida - Trachyleberididae
Cythereis sp. Jones 1849 ostracod
 Podocopida - Cytherideidae
Schuleridea sp. Swartz and Swain 1946 ostracod
 Podocopida - Cytheruridae
Eocytheropteron sp. Alexander 1933 ostracod
 Podocopida - Cytherettidae
 Podocopida - Brachycytheridae
Macrodentina sp. n. sp. ostracod
Gastropoda
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
Bivalvia
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
 Charales - Porocharaceae
Porochara sp. Maedler 1955
Chlorophyceae
 Dasycladales -
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp. Lamarck 1804
Foraminifera
 Lituolacea - Mayncinidae
 Orbitolinacea - Orbitolinidae
 Loftusiacea - Cyclamminidae
Choffatella decipiens Schlumberger 1905
 Textulariina - Cuneolinidae
 Involutinina - Trocholinidae
Trocholina sp. Paalzow 1922