Aravis horizon, Grand Crêt amont, massif des Aravis, Haute-Savoie (Cretaceous to of France)

Where: France (45.9° N, 6.5° E: paleocoordinates 35.6° N, 16.2° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Bostan Member (Grès verts helvétiques Formation), Early/Lower Aptian to Early/Lower Aptian (121.4 - 113.0 Ma)

• 5 cm

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, condensed, dolomitic, phosphatic, intraclastic, sandy conglomerate

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 58866: authorized by Loic Villier, entered by Loic Villier on 27.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Acanthohoplitidae
"Colombiceras cf. tobleri" = Colombiceras (Colombiceras) tobleri Jacob and Tobler 1906 ammonite
? Acanthohoplites sp. Sinzow 1908 ammonite
 Ammonitida - Desmoceratidae
cf. Melchiorites sp. Spath 1923 ammonite