Lac Deschênes at Aylmer, Aylmer Sandstone (Ordovician of Canada)

Also known as Lake Deschenes

Where: Quebec, Canada (45.4° N, 75.8° W: paleocoordinates 26.5° S, 55.9° W)

• coordinate estimated from map

When: Chazy Group, Chazyan (470.0 - 457.3 Ma)

• "Aylmer sandstone (upper Chazy) about sixty feet above the high water mark of Lake Descenes", in Raymond (1916)

Environment/lithology: marine; sandstone

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1905. The fauna of the Chazy Limestone. The American Journal of Science 20:353-382 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172191: authorized by Björn Kröger, entered by Björn Kröger on 29.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Modiomorphida - Modiomorphidae
Modiolopsis sowteri Raymond 1905 clam