Pendencia Formation, Potiguar Basin: Berriasian - Hauterivian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Dictyophylidites harrisii non-seed repro
Equisetopsida - Cheirolepidiaceae
Classopollis sp. non-seed repro Pflug 1953
Equisetopsida - Cupressales
Inaperturopollenites turbatus non-seed repro Balme 1957
Equisetopsida - Araucariaceae
Araucariacites sp. non-seed repro Cookson and Couper 1953
Branchiopoda - Cyzicidae
Cyzicus mawsoni
see common names

Geography
Country:Brazil
Coordinates: 5.8° South, 37.4° West (view map)
Paleocoordinates:3.5° South, 4.5° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Key time interval:Berriasian - Hauterivian
Age range of interval:145.00000 - 129.40000 m.y. ago
Stratigraphy
Formation:Pendencia
Stratigraphic resolution:bed
Stratigraphy comments: probably Berriasian-Valanginian (local stage Rio da Serra)
Lithology and environment
Primary lithology:gray "shale"
Includes fossils?Y
Lithology description: the fauna comes from a dark grey shale, a rock unit of non-marine origin
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Articulated whole bodies:some
Associated major elements:some
Disassociated major elements:some
Collection methods and comments
Collection excludes:some microfossils
Reason for describing collection:taxonomic analysis
Metadata
Database number:38885
Authorizer:J. Alroy Enterer:E. Leckey
Modifier:J. Alroy Research group:paleobotany
Created:2004-05-12 16:28:48 Last modified:2006-08-14 16:53:28
Access level:the public Released:2004-05-12 16:28:48
Creative Commons license:CC BY
Reference information

Primary reference:

10504. C. C. Lana and I. S. Carvalho. 2002. Cretaceous conchostracans from Potiguar Basin (northeas Brazin): relationships with West African conchostracan faunas and palaeoecological inferences. Cretaceous Research 23:351-362 [J. Alroy/E. Leckey/E. Leckey]