Arvieres (Unit 5) (Jurassic of France)

Where: France (45.9° N, 5.7° E: paleocoordinates 36.0° N, 15.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Zigzag zone, Convergens subzone

•0.45m thick

• bed-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, nodular, argillaceous, muddy limestone

• marly earthy limestone with ferruginous spots, containing nodules arranged in several beds separated by clay and friable limestone. Contains a brachiopod coquina

Size class: macrofossils

Preservation: coquina

Collection methods: Repository: Département des Sciences de la Terre de la Faculté des Sciences

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 170290: authorized by Matthew Clapham, entered by Marko Manojlovic on 18.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Acanthothirididae
Acanthothiris spinosa Linnaeus 1767
 Terebratulida - Loboidothyrididae
 Terebratulida - Postepithyrididae
Millythyris arvierensis n. sp. Alméras 1970
morphotype A and B
Ferrythyris vireti Roche 1939