Barmerousse horizon, vire des Verds, massif de Platé, Haute-Savoie (Cretaceous of France)

Where: France (47.0° N, 6.7° E: paleocoordinates 35.8° N, 12.6° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Platé Member (Grès verts helvétiques Formation), Early/Lower Albian (112.0 - 109.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, phosphatic, sandy marl

Size class: macrofossils

Preservation: replaced with silica

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 56521: authorized by Loic Villier, entered by Loic Villier on 21.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster minimus heart urchin
Chondrichthyes
 Odontaspidida - Isuridae
Isuridae indet. Gray 1851 mackerel shark
Cephalopoda
 Phylloceratida - Phylloceratidae
Phylloceras sp. Suess 1865 ammonite
"Phylloceras velledae" = Phylloceras (Hypophylloceras) velledae Michelin 1834 ammonite
Phylloceras (Hypophylloceras) velledae
 Ammonitida - Hoplitidae
Hoplites sp. ammonite
noted Hoplites (Isohoplites) trans Hoplites s.s.
 Ammonitida - Lyelliceratidae
Lyelliceras huberianum ammonite
Lyelliceras huberianum pseudolyelli
 Ammonitida - Desmoceratidae
"Desmoceras latidorsatum" = Desmoceras (Desmoceras) latidorsatum
"Desmoceras latidorsatum" = Desmoceras (Desmoceras) latidorsatum Michelin 1838 ammonite
 Ammonitida - Anisoceratidae
 Ammonitida - Douvilleiceratidae
Douvilleiceras sp. Grossouvre 1894 ammonite
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Myalinida - Inoceramidae
 Ichnofossils -
Chondrites sp. von Sternberg 1833