Where: Tunisia (35.1° N, 9.7° E: paleocoordinates 24.1° N, 12.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Staa Formation, Variabilis (182.0 - 175.6 Ma)

• Beds are not numbered; this is the upper sample from unit 3. Haugia is most characteristic of the variabilis zone.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, argillaceous limestone

Size class: macrofossils

Collection methods: Repository: Service de la Carte Géologiue de Tunisie

Primary reference: M. Rakús and J. Guex. 2002. Les ammonites du jurassique inférieur et moyen de la dorsal tunisienne. Mémoires de Géologie (Lausanne) 39:1-149 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170572: authorized by Matthew Clapham, entered by Matthew Clapham on 23.06.2015

Creative Commons license: CC BY (attribution)