Mexilhoeira, Cascais area, level 3: Hauterivian, Portugal

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Arbacioida - Arbaciidae
Goniopygus peltatus
Echinoidea - Pseudodiadematidae
Polydiadema sp. n. sp.
Echinoidea - Salenioida - Saleniidae
Salenia foliumquerci
Echinoidea - Spatangoida - Toxasteridae
Toxaster aff. subcavatus
Toxaster granosus
Toxaster exilis
Echinoidea - Disasteridae
Collyropsis ovulum
Echinoidea - Echinoneoida - Echinoneidae
Pyrina globosa
Echinoidea - Holectypoida - Holectypidae
Holectypus almeidae
Echinoidea - Hemicidaridae
Pseudocidaris crispicans
Pseudocidaris clunifera
Echinoidea - Cidaroida - Rhabdocidaridae
Rhabdocidaris tuberosa
Rhynchonellata - Rhynchonellida
Rhynchonellida indet. Kuhn 1949
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Terebratula acuta Sowerby 1816
Bivalvia
Bivalvia indet. Linnaeus 1758
Bivalvia - Ostreida - Ostreidae
Alectryonia rectangularis
Bivalvia - Ostreida - Gryphaeidae
Exogyra couloni
Bivalvia - Pectinida - Neitheidae
Neithea atava (Roemer 1839)
Cephalopoda - Phylloceratida - Phylloceratidae
Phylloceras tethys (d'Orbigny 1841)
Cephalopoda - Ammonitida - Olcostephanidae
Olcostephanus sp. Neumayr 1875
Cephalopoda - Ammonitida - Haploceratidae
Neolissoceras grasi (d'Orbigny 1841)
Cephalopoda - Ammonitida - Holcodiscidae
Spitidiscus ex gr. rotula (Sowerby 1827)
Cephalopoda - Ammonitida - Lytoceratidae
Lytoceras cf. subfimbriatum (d'Orbigny 1841)
Cephalopoda - Ammonitida - Neocomitidae
"Neocomites" ex gr. nodosoplicatus Kilian and Reboul 1915
Cephalopoda - Ammonitida - Crioceratitidae
Crioceratites lusitanicum
Cephalopoda - Nautilida
Nautilus sp. Linnaeus 1758
    = Nautilitaceae indet. de Blainville 1825
Hendy 2008
Gastropoda
Gastropoda indet. Cuvier 1795
Gastropoda - Naticidae
Natica sp. Scopoli 1777
see common names

Geography
Country:Portugal
Coordinates: 38.7° North, 9.4° West (view map)
Paleocoordinates:32.4° North, 1.1° East
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Hauterivian 10 m.y. bin: Cretaceous 2
Key time interval: Hauterivian
Age range of interval: 132.6 - 125.77 m.y. ago
Stratigraphy
Local section:Mexilhoeira Local bed:3
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: 10 m
Lithology and environment
Primary lithology: lithified argillaceous grainstone
Secondary lithology:wavy/flaser/lenticular bedding,gray poorly lithified calcareous marl
Includes fossils?Y
Includes fossils?Y
Environment:transition zone/lower shoreface
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:65740
Authorizer:L. Villier, A. Hendy Enterer:L. Villier, A. Hendy
Research group:marine invertebrate
Created:2006-09-25 02:03:56 Last modified:2006-09-25 05:03:56
Access level:the public Released:2006-09-25 02:03:55
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]

Secondary references:

26349 A. J. W. Hendy. 2008. Personal opinions and reidentification of pre-Cenozoic Mollusca. [A. Hendy/A. Hendy]