Les Graous 1 GRS1 section, bed 99, Les Ferres (Cretaceous of France)

Where: France (43.8° N, 7.1° E: paleocoordinates 34.0° N, 17.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dufrenoyia furcata ammonoid zone, Les Graous Member (Les Graous Formation), Early/Lower Aptian (121.4 - 122.5 Ma)

• Dufrenoyia furcata Subzone, Dufrenoyia furcata Zone

• bed-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Réserve naturelle nationale géologique de Haute-Provence (RNNGHP, Digne-les-Bains, France)

Primary reference: S. Bersac and D. Bert. 2019. The lower Aptian ammonites of the Les Ferres Aptian Basin (Lower Cretaceous, Southeast of France). Part I: Introduction and biostratigraphy. Carnets Geologie 19(9):149-183 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 228368: authorized by Matthew Clapham, entered by Matthew Clapham on 03.12.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Phylloceratida - Phylloceratidae
"Hypophylloceras sp." = Phylloceras (Hypophylloceras)
"Hypophylloceras sp." = Phylloceras (Hypophylloceras) Salfeld 1924 ammonite
 Ammonoidea - Macroscaphitidae
Macroscaphites striatisulcatus d'Orbigny 1841 ammonite
 Ammonitida - Desmoceratidae
Pseudohaploceras liptoviensis Zeuschner 1856 ammonite
 Ammonitida - Lytoceratidae
Lytoceras sp. Suess 1865 ammonite
 Ammonitida - Ptychoceratidae
Ptychoceras emericianum d'Orbigny 1842 ammonite
 Ammonitida - Acrioceratidae
Toxoceratoides rochi Casey 1961 ammonite
 Ammonitida - Ancyloceratidae
Ammonitoceras lahuseni Sinzow 1906 ammonite
 Ammonitida - Acanthohoplitidae
Colombiceras crassicostatum d'Orbigny 1840 ammonite
 Ammonitida - Douvilleiceratidae
Cheloniceras crassum Spath 1930 ammonite
 Ammonitida - Oppeliidae
Aconeceras nisum d'Orbigny 1841 ammonite