Where: Niger (19.8° N, 12.2° E: paleocoordinates 3.0° N, 6.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vascoceras cauvini ammonoid zone, Zoo Baba Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• Nigericeras gadeni subzone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collection methods: Repository: Muséum d'Histoire naturelle de Genève

Primary reference: C. Meister, K. Alazouma, J. Lang, B. Mathey, and A. Pascal. 1994. Nouvelles données sur les ammonites du Niger oriental (Ténéré, Afrique occidentale) dans le cadre de la transgression du Cénomanien-Turonien. Geobios 27:189-219 [L. Bulot/L. Bulot/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175480: authorized by Matthew Clapham, entered by Matthew Clapham on 12.12.2015

Creative Commons license: CC BY (attribution)