Also known as Formations 7 & 8 d`Arkell & Busson
Where: Algeria (35.7° N, 0.9° W: paleocoordinates 28.9° N, 2.4° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: L'Ammonitico Rosso Inférieur Formation, Oxfordian (163.5 - 157.3 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified limestone
Size class: microfossils
Collection methods: bulk, mechanical,
Primary reference: F. Atrops and M. Benest. 1984. Les formations du Jurassique supérieur du Bou Rheddou au Nord de Tiaret (Bordure sud-tellienne, Algérie): âge et milieux de dépôt. Géobios 17(2):207-220 [F. Fursich/S. Hicks/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 45048: authorized by Franz Fursich, entered by Simone Hicks on 30.09.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Sowerbyceras tortisulcatum d'Orbigny 1841 ammonite | |
"Dichotomoceras sp." = Perisphinctes (Dichotomoceras), Dichotomoceras bifurcatus
"Dichotomoceras sp." = Perisphinctes (Dichotomoceras) ammonite
Dichotomoceras bifurcatus Quenstedt 1847 ammonite | |
Gregoryceras fouquei Kilian 1889 ammonite
Gregoryceras aff. fouquei Kilian 1889 ammonite
Paraspidoceras sp. ammonite | |
Foraminifera | |