Kumo-6 Borehole, Upper Albian-Middle Cenomanian: Late/Upper Albian - Middle Cenomanian, Nigeria
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Baculatricolpites informal sp.1
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Steevesipollenites binodosus
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Pollen informal Po304
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Polypodiopsida
- Schizaeales
- Schizaeaceae
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Cicatricosisporites informal sp. 2
Potonie and Gelletich 1933
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Equisetopsida
- Cheirolepidiaceae
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Classopollis brasiliensis
Herngreen 1975
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Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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Angiospermae
- Gunnerales
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Tricolpites informal sp.1
Couper 1953
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Angiospermae
- Buxales
- Didymelaceae
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Hexaporotricolpites potoniei
Boltenhagen 1969
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Angiospermae
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Monosulcites informal sp. 1
Cookson and Couper 1953
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Monosulcites informal sp. 2
Cookson and Couper 1953
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Angiospermae
- Malpighiales
- Euphorbiaceae
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Tricolporopollenites informal sp. S. 152
Thomson and Pflug 1953
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Angiospermae
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Tetracolpites sp.
Srivastava 1967
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Afropollis jardinus
Doyle et al. 1982
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Angiospermae
- Austrobaileyales
- Trimeniaceae
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Cretacaeiporites polygonalis
Herngreen 1974
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Cretacaeiporites mulleri
Herngreen 1973
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Ginkgoopsida
- Ephedrales
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Ephedripites informal sp. II
Bolkhovitina and Potonié 1958
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Ephedripites informal sp. 5
Bolkhovitina and Potonié 1958
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Ephedripites jansoniistaplini
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unclassified
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Galeacornea causea
Stover 1963
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Galeacornea clavis
Stover 1963
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Gnetaceaepollenites diversus
Stover 1964
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Gnetaceaepollenites clathratus
Stover 1964
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Perotriletes pannuceus
Brenner 1963
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Geography
| Country: | Nigeria | State/province: | Gambe |
| Coordinates: | 10.0° North, 11.2° East (view map) | ||
| Paleocoordinates: | 6.7° South, 3.3° East | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous |
| Key time interval: | Late/Upper Albian - Middle Cenomanian |
| Age range of interval: | 106.20000 - 93.90000 m.y. ago |
Stratigraphy
| Formation: | Yolde |
Lithology and environment
| Primary lithology: | lithified argillaceous "shale" |
| Secondary lithology: | lithified silty,calcareous "limestone" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | soft parts |
| 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: | 144198 | ||
| Authorizer: | C. Jaramillo | Enterer: | G. Doria |
| Modifier: | G. Doria | Research group: | paleobotany |
| Created: | 2013-05-02 01:49:29 | Last modified: | 2013-05-01 10:58:31 |
| Access level: | the public | Released: | 2013-05-02 01:49:29 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 46625. | O. Lawal and M. Moullade. 1986. Palynological biostratigraphy of Cretaceous sediments in the Upper Benue basin, NE. Nigeria. Revue de Micropaleontologie 29(1):61-83 [C. Jaramillo/G. Doria/A. Cárdenas] |