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] |