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, nodular, pyritic, 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 144573: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.05.2013

Creative Commons license: CC BY (attribution)