Montreal, Middle and Upper Chazy (Ordovician of Canada)

Where: Quebec, Canada (45.5° N, 73.6° W: paleocoordinates 27.4° S, 54.4° W)

• coordinate estimated from map

When: Chazyan (470.0 - 457.3 Ma)

• "Middle and Upper Chazy", in Raymond (1916) = Crown Point Formation and Valcour Formation

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1916. The Pelecypoda of the Chazy Formation. Annals of the Carnegie Museum 328:325-343 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171714: authorized by Björn Kröger, entered by Björn Kröger on 17.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Ambonychiidae
"Clionychia montrealensis" = Cleionychia montrealensis
"Clionychia montrealensis" = Cleionychia montrealensis Billings 1859 clam