Cretet (Unit 2) (Jurassic of France)

Where: France (46.2° N, 5.8° E: paleocoordinates 36.3° N, 15.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zigzag ammonoid zone, Early/Lower Bathonian (167.7 - 164.7 Ma)

• Zigzag zone, Convergens subzone

•5m thick

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, muddy limestone and lithified marl

• marly limestone, more or less resistant, which forms beds intercalated with laminated marl

Size class: macrofossils

Collected by C. Magnold

Primary reference: Y. Alméras. 1970. Les terebratulidae du Dogger dans le Mâconnais, le mont d'Or lyonnais et le Jura méridional: Étude systématique et biostratigraphique. Rapports avec la paléoécologie. Documents des Laboratories de Géologie de la Faculté des Sciences de Lyon 39(2):1-690 [M. Clapham/M. Manojlovic/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170323: authorized by Matthew Clapham, entered by Marko Manojlovic on 19.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Rhynchonellidae
 Rhynchonellida - Acanthothirididae
Acanthothiris spinosa Linnaeus 1767
 Terebratulida - Postepithyrididae
Millythyris arvierensis Alméras 1970
morphotype B