Mont-Jean and Romme Horizons, Cornes d'Ombrance, massif des Aravis, Haute-Savoie (Cretaceous of France)

Where: France (46.0° N, 6.6° E: paleocoordinates 34.8° N, 12.5° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Leymeriella tardefurcata ammonoid zone, Grès verts helvétiques Formation, Early/Lower Albian (112.0 - 109.0 Ma)

• 15 cm

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, glauconitic, phosphatic sandstone and lithified, hardground, intraclastic phosphorite

Size class: macrofossils

Preservation: cast, replaced with phosphate

Primary reference: M. Delamette, J. Charollais, D. Decrouez and M. Caron. 1997. Les grès verts helvétiques (Aptien moyen-Albien supérieur) de Haute-Savoie, Valais et Vaud (Alpes occidentales franco-suisses). Publications du Département de Géologie et Paléontologie. Section des Sciences de la Terre 23:1-400 [L. Villier/L. Villier/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58636: authorized by Loic Villier, entered by Loic Villier on 17.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Douvilleiceratidae
Douvilleiceras sp. Grossouvre 1894 ammonite
 Ammonitida - Acanthohoplitidae
Hypacanthoplites sp. Spath 1923 ammonite
 Ammonitida - Desmoceratidae
Puzosia sp. Bayle 1878 ammonite
 Ammonitida - Leymeriellidae
Leymeriella regularis d'Orbigny 1841 ammonite
Leymeriella sp. ammonite
Leymeriella tardefurcata Leymerie 1841 ammonite