Also known as Partie supérieur de la formation 2 et formation 1 d`Arkell & Busson
Where: Algeria (35.7° N, 0.9° W: paleocoordinates 27.6° N, 4.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Les Marno-Calcaires Supérieurs Formation, Tithonian (152.1 - 145.0 Ma)
Environment/lithology: deep subtidal; lithified marl
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 45080: authorized by Franz Fursich, entered by Simone Hicks on 03.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Disaster dallonii sea urchin
Collyropsis carinata sea urchin | |
Holectypus cf. corallinus sea urchin |