Where: Tunisia (36.2° N, 10.0° E: paleocoordinates 24.5° N, 11.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Algovianum ammonoid zone, Staa Formation, Margaritatus (189.6 - 183.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, shelly/skeletal, gray 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 170547: authorized by Matthew Clapham, entered by Matthew Clapham on 23.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Bettoniceras aff. mortilleti ammonite
Bettoniceras sp. Wiedenmayer 1977 ammonite
Aveyroniceras cf. medolense Hauer 1861 ammonite | |
Arieticeras sp. Seguenza 1885 ammonite
Protogrammoceras kurrianum Oppel 1862 ammonite | |
Zaghouanites bettonii Fucini 1920 ammonite |