L70, Benue Trough (Cretaceous of Nigeria)

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

• Dark grey to black well laminated 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
 Cycadales -
Eucommiidites sp. Erdtman 1948 cycads
Equisetopsida
 Pinidae - Pinidae
Angiospermae
  -
Afropollis sp. Doyle et al. 1982
 Austrobaileyales - Trimeniaceae
Dicotyledoneae
  -
Triorites africaensis Jardiné and Magloire 1965
Bacutricolpites
  -
Gnetaceaepollenites
  -
Perotriletes pannuceus
  -