Kumo-6 Borehole, Upper Cenomanian: Late/Upper Cenomanian, Nigeria

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Baculatricolpites informal sp.1
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites informal sp. 2 Potonie and Gelletich 1933
Angiospermae
Monosulcites informal sp. 1 Cookson and Couper 1953
Angiospermae - Buxales - Didymelaceae
Hexaporotricolpites emelionovi
Angiospermae - Gunnerales
Tricolpites informal sp.1 Couper 1953
Tricolpites microstriatus Jardiné and Magloire 1965
Angiospermae - Austrobaileyales - Trimeniaceae
Cretacaeiporites krutzschi
Cretacaeiporites mulleri Herngreen 1973
Cretacaeiporites polygonalis Herngreen 1974
Cretacaeiporites scabratus Herngreen 1974
Angiospermae - Malpighiales - Euphorbiaceae
Tricolporopollenites informal sp. S. 152 Thomson and Pflug 1953
Angiospermae
Triorites africaensis Jardiné and Magloire 1965
Tetracolpites sp. Srivastava 1967
Ginkgoopsida - Ephedrales
Ephedripites ambiguus Hedlund 1966
Cycadopsida - Gnetales
Steevesipollenites binodosus Stover 1964
Equisetopsida - Araucariaceae
Araucariacites australis Cookson 1947
Equisetopsida - Cheirolepidiaceae
Classopollis brasiliensis Herngreen 1975
unclassified
Gnetaceaepollenites informal sp. 1 Thiergart 1938
Gnetaceaepollenites diversus Stover 1964
Galeacornea causea Stover 1963
Galeacornea clavis Stover 1963
Perotriletes pannuceus Brenner 1963
see common names

Geography
Country:Nigeria State/province:Gambe
Coordinates: 10.0° North, 11.2° East (view map)
Paleocoordinates:6.2° South, 3.4° East
Basis of coordinate:stated in text
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Cenomanian 10 m.y. bin:Cretaceous 5
Key time interval:Late/Upper Cenomanian
Age range of interval:100.50000 - 93.90000 m.y. ago
Stratigraphy
Formation:Pindiga
Lithology and environment
Primary lithology: lithified argillaceous "shale"
Secondary lithology: lithified calcareous "limestone"
Lithology description: Shally limestone, shale
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:144199
Authorizer:C. Jaramillo Enterer:G. Doria
Modifier:G. Doria Research group:paleobotany
Created:2013-05-02 01:52:26 Last modified:2013-05-01 11:00:33
Access level:the public Released:2013-05-02 01:52:26
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]