Mexilhoeira, Cascais area, level 8b: Valanginian, Portugal

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lituolida - Lituolidae
Textulariidae indet. Ehrenberg 1838
Trocholinidae
Trocholina elongata
Trocholina alpina
Tubothalamea - Miliolida - Miliolidae
Miliolidae indet. Ehrenberg 1839
Nodosariata - Vaginulinida - Vaginulinidae
Lenticulina sp. Lamarck 1804
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Terebratula acuta Sowerby 1816
recombined as Homoeorhynchia acuta
Bivalvia - Ostreida - Ostreidae
Lopha rectangularis
Bivalvia - Pectinida - Neitheidae
Neithea atava (Roemer 1839)
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
Gastropoda - Heterostropha - Nerineidae
Nerinea guinchoensis
Gastropoda - Purpurinidae
Leviathania leviathan
Gastropoda - Naticidae
Natica mexilhoeirensis
Crinoidea - Millericrinida - Apiocrinitidae
Apiocrinus sp. Miller 1821
nomen vanum belonging to Apiocrinites
Echinoidea - Cidaroida - Cidaridae
Cidaris maresi
spines
Phyllacanthus cf. salviensis
spines
Echinoidea - Salenioida - Saleniidae
Salenia depressa
Echinoidea - Clypeidae
Pygurus rostratus
Echinoidea - Arbacioida - Arbaciidae
Goniopygus sp. Agassiz 1838
see common names

Geography
Country:Portugal
Coordinates: 38.7° North, 9.4° West (view map)
Paleocoordinates:32.8° 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:Mexilhoeira Local bed:8b
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: 4 m
Lithology and environment
Primary lithology:wavy/flaser/lenticular bedding,yellow lithified argillaceous "limestone"
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:bulk,surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:65673
Authorizer:L. Villier Enterer:L. Villier
Research group:marine invertebrate
Created:2006-09-24 08:25:37 Last modified:2006-09-24 11:25:37
Access level:the public Released:2006-09-24 08:25:36
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]