Ajoie region, Lower Virgula Marl Mmb (Jurassic of Switzerland)

Where: Jura, Switzerland (47.4° N, 7.0° E: paleocoordinates 38.4° N, 15.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: cymodoce zone, Lower Virgula Marl Member (Reuchenette Formation), Early/Lower Kimmeridgian (155.7 - 150.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; brown marl

Size class: macrofossils

Primary reference: J. Koppka. 2015. Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland—Ostreoidea. Zootaxa 3927(1):1-117 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185667: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 08.05.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
Nanogyra (Nanogyra) nana Sowerby 1822 oyster
Nanogyra (Palaeogyra) virgula Deshayes 1831 oyster
Cephalopoda
 Ammonitida - Aulacostephanidae
 Ammonitida - Aspidoceratidae
Pinopsida
 Pinales - Cupressaceae