Where: Nikalagu, Nigeria (8.0° N, 11.0° E: paleocoordinates 8.2° S, 2.7° E)
• coordinate estimated from map
When: Eze-Aku Formation (Asu River Group), Late/Upper Cenomanian (99.6 - 93.5 Ma)
Environment/lithology: marine; lithified, black, gray, argillaceous shale
Size class: microfossils
Preservation: soft parts, original sporopollenin
Collection methods: chemical, hydrochloric, hydroflouric, sieve
Primary reference: O. Lawal. 1991. Palynological age and correlation of a black shale section in the Eze-Aku Formation, Lower benue Trough, Nigeria. Journal African Earth Sciences 12(3):473-482 [C. Jaramillo/G. Doria]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 144571: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.05.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Cycadopsida | |
Eucommiidites sp. Erdtman 1948 cycads | |
Equisetopsida | |
Araucariacites australis Cookson 1947
Classopollis brasiliensis Herngreen 1975 | |
Angiospermae | |
Afropollis sp. Doyle et al. 1982 | |
Cretacaeiporites scabratus Herngreen 1974 | |
Dicotyledoneae | |
Triorites africaensis Jardiné and Magloire 1965 | |
Bacutricolpites | |
Bacutricolpites "sp. 1" Pierce 1961 | |
Gnetaceaepollenites | |
Gnetaceaepollenites "sp. 1" Thiergart 1938
Gnetaceaepollenites diversus Stover 1964 | |
Perotriletes pannuceus | |
Perotriletes pannuceus Brenner 1963 |