Where: France (47.0° N, 6.7° E: paleocoordinates 37.1° N, 16.5° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Bostan Member (Grès verts helvétiques Formation), Early/Lower Aptian (125.5 - 122.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified packstone
Size class: macrofossils
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 56530: authorized by Loic Villier, entered by Loic Villier on 21.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Calcarea | |
Barroisia cf. helvetica calcareous sponge
Barroisia anastomans calcareous sponge | |
Elasmostoma cf. normanianum calcareous sponge | |
Rhynchonellata | |
? Cyclothyris sp. M'Coy 1844 | |
Tropeothyris islarensis Middlemiss 1984 | |
Stenolaemata | |
Bivalvia | |
? Epicyprina sp. Casey 1952 clam | |
Cephalopoda | |
Cheloniceras ? sp. Hyatt 1903 ammonite | |
Colombiceras cf. caucasicum Luppov 1949 ammonite | |
? Mesohibolites semicanalicatus belemnite |