Where: Niger (15.0° N, 8.7° E: paleocoordinates 0.6° N, 2.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

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

• Nigeriensis subzone, horizon VIII (Nigeriensis horizon)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal limestone

Size class: macrofossils

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

Primary reference: C. Meister, K. Alzouma, J. Lang and B. Mathey. 1992. Les ammonites du Niger (Afrique occidentale) et la transgression Transsaharienne au cours du Cénomanien-Turonien. Geobios 25:55-100 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175436: authorized by Matthew Clapham, entered by Matthew Clapham on 12.12.2015

Creative Commons license: CC BY (attribution)