Where: Niger (19.8° N, 12.2° E: paleocoordinates 4.5° N, 7.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Thomasites nigeriensis ammonoid zone, Zoo Baba Formation, Early/Lower Turonian (93.5 - 89.3 Ma)

• Thomasites nigeriensis subzone, Thomasites nigeriensis horizon

• 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 175488: authorized by Matthew Clapham, entered by Matthew Clapham on 12.12.2015

Creative Commons license: CC BY (attribution)