Borehole Bj-I-PA-16: Late/Upper Albian - Early/Lower Cenomanian, Brazil
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Retimonocopites spp.
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Psilatricolpates indet.
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Retitricolpates indet.
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Tetradites sp.
Van der Hammen 1954
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Lycopodiopsida
- Selaginellales
- Selaginellaceae
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Perotrilites pannuceus
Brenner 1963
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Magnoliopsida
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Psilatricolporites sp.
Pierce 1961
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Angiospermae
- Austrobaileyales
- Trimeniaceae
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Cretacaeiporites scabratus
Herngreen 1974
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Cretacaeiporites muellerii
Herngreen 1973
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Cretacaeiporites polygonalis
Herngreen 1974
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Angiospermae
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Monosulcites sp.
Cookson and Couper 1953
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Polypodiopsida
- Blechnaceae
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Leptolepidites sp.
Couper 1953
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Cycadopsida
- Gnetales
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Elaterosporites protensus
Jardiné 1967
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Elaterocolpites castelaini
Jardiné and Magloire 1962
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| forma B | ||||||||||
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Ginkgoopsida
- Ephedrales
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Ephedripites informal straight ridges
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Ephedripites barghoorniistaplinii
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Equisetopsida
- Cheirolepidiaceae
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Classopollis informal lessthanthirty
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Equisetopsida
- Araucariaceae
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Araucariacites sp.
Cookson and Couper 1953
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unclassified
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Reticulatasporites jardinus
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Sofrepites legouxae
Jardiné 1967
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| see common names | ||||||||||
Geography
| Country: | Brazil | State/province: | Para | County: | Marajo/Badajoz |
| Coordinates: | 1.6° South, 49.6° West (view map) | ||||
| Paleocoordinates: | 8.9° South, 24.0° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cretaceous | ||
| Key time interval: | Late/Upper Albian - Early/Lower Cenomanian | Pollen zone: | Zone II |
| Age range of interval: | 106.20000 - 93.90000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified not reported |
| Lithology description: Not described in text | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | soft parts,original sporopollenin |
| Size of fossils: | microfossils |
Collection methods and comments
| Collection excludes: | all microfossils |
| Collection methods: | chemical,hydrochloric,hydroflouric,sieve |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 144297 | ||
| Authorizer: | C. Jaramillo | Enterer: | G. Doria | Research group: | paleobotany |
| Created: | 2013-05-03 07:48:02 | Last modified: | 2013-05-02 16:48:02 |
| Access level: | the public | Released: | 2013-05-03 07:48:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 44836. | G. F. W. Herngreen. 1975. Palynology of the Middle and Upper Cretaceous strata in Brazil. Medelingen Rijks Geologische Dienst, Nieuwe Serie 26:39-91 [C. Jaramillo/G. Doria/A. Cárdenas] |