Where: Loire-Atlantique, France (47.5° N, 0.6° W: paleocoordinates 66.6° S, 78.9° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Grand-Auverné Formation, Llanvirn (466.0 - 460.9 Ma)
• Lower Llanvirn
• formation-level stratigraphic resolution
Environment/lithology: offshore; lithified, bioturbated, concretionary, pyritic, shelly/skeletal, sandy shale
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: J. Pillet. 1992. Les Gastéropodes de l’Ordovicien moyen en Anjou. Bulletin de la Société des études scientifiques d’Anjour 7:1-60 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185523: authorized by Pete Wagner, entered by Pete Wagner on 26.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Ptychonema desiderata Perner 1907 snail | |
| |
Peruniscus pusillus Perner 1903 snail |