Also known as Gres Armoricain Superieur Fm., Ille-et-Vilaine, France
Where: Ille-et-Vilaine, France (48.0° N, 2.0° W: paleocoordinates 64.2° S, 83.3° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Superieur Member (Grès Armoricain Formation), Arenig (478.6 - 466.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified sandstone and lithified shale
Size class: macrofossils
Primary reference: C. Babin. 1966. Mollusques bivalves et céphalopodes du Paléozoïque Armoricain. Étudé systématique. Essai sur la phylogénie des bivalves. Esquisse paléoécologique. Imprimerie Commerciale et Administrative. Brest 1-471 [A. Miller/P. Novack-Gottshall/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 20852: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2002, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Actinodonta sp. Philipps 1848 clam | |
"Lyrodesma armoricana" = Tromelinodonta armoricana
"Lyrodesma armoricana" = Tromelinodonta armoricana de Tromelin and Lebesconte 1875 clam | |
Synek antiquus Barrande 1881 clam | |
Nuculites sp. Conrad 1841 clam | |
"? Leda lebescontei" = Nuculana
"? Leda lebescontei" = Nuculana pointed nut clam |