Mexilhoeira, Cascais area, level 9a (Cretaceous of Portugal)

Where: Portugal (38.7° N, 9.4° W: paleocoordinates 32.8° N, 0.7° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Valanginian (139.8 - 132.9 Ma)

• 2 m

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, yellow, argillaceous limestone

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 65674: authorized by Loic Villier, entered by Loic Villier on 24.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Rhabdocidaridae
 Salenioida - Saleniidae
Salenia depressa sea urchin
 Euechinoidea - Pseudodiadematidae
Heterodiadema arrabidense n. sp. sea urchin
 Irregularia - Clypeidae
Pygurus montmollini Agassiz 1836 sea urchin
 Irregularia - Nucleolitidae
Phyllobrissus gresslyi Agassiz 1839 sea urchin
 Holectypoida - Holectypidae
Holectypus sp. sea urchin
 Irregularia - Disasteridae
 Holasteroida - Holasteridae
 Spatangoida - Toxasteridae
Toxaster casterasi n. sp. heart urchin
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
 Terebratulida -
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Pectinida - Neitheoidae
Neithea atava Roemer 1839 scallop
 Ostreida - Ostreidae
 Ostreida - Gryphaeidae
Astraeidae
  - Astraeidae
"Montlivaultia sp." = Montlivaltia
"Montlivaultia sp." = Montlivaltia Lamouroux 1821