Serra de Arabida, Cabo Espichel, level 6b (Cretaceous of Portugal)

Where: Portugal (38.4° N, 9.2° W: paleocoordinates 32.4° N, 0.7° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Valanginian (139.8 - 132.9 Ma)

• 3 m

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, ferruginous, brown, calcareous sandstone

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 64952: authorized by Loic Villier, entered by Loic Villier on 18.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Involutinina - Trocholinidae
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp. Lamarck 1804
Crinoidea
 Millericrinida - Apiocrinitidae
Apiocrinus sp. Miller 1821 Sea lily
Echinoidea
 Calycina - Phymosomatidae
Phymosoma debile sea urchin
 Holectypoida - Holectypidae
 Irregularia - Clypeidae
 Irregularia - Nucleolitidae
Pygorhynchus sp. sea urchin
 Holasteroida - Holasteridae
Holaster sp. Agassiz 1836 sea urchin
 Spatangoida - Toxasteridae
Toxaster casterasi n. sp. heart urchin
 Euechinoidea - Pseudodiadematidae
Heterodiadema arrabidense n. sp. sea urchin
 Cidaroida -
Plegiocidaris muricata pencil urchin
spines
 Cidaroida - Rhabdocidaridae
Rhabdocidaris tuberosa pencil urchin
spines
Rhabdocidaris delgadoi pencil urchin
spines
Bivalvia
 Pectinida - Neitheoidae
Neithea atava Roemer 1839 scallop
 Ostreida - Ostreidae
Cephalopoda
 Ammonitida - Neocomitidae
Neocomites aff. neocomiensis d'Orbigny 1841 ammonite
Rhynchonellata
 Terebratulida - Zeilleriidae
Zeilleria sp. Bayle 1878
 Rhynchonellida - Rhynchonellidae
"Terebratula acuta" = Homoeorhynchia acuta
"Terebratula acuta" = Homoeorhynchia acuta Sowerby 1816
Astraeidae
  - Astraeidae
"Montlivaultia sp." = Montlivaltia
"Montlivaultia sp." = Montlivaltia Lamouroux 1821