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)

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 41434: authorized by Franz Fursich, entered by Simone Hicks on 14.07.2004

Creative Commons license: CC BY (attribution)