Where: Quebec, Canada (45.4° N, 75.9° W: paleocoordinates 27.1° S, 57.5° W)
• outcrop-level geographic resolution
When: Cahabagnathus sweeti conodont zone, Hog’s Back Formation, Chazyan (470.0 - 457.3 Ma)
• Was Aylmer Formation, St. Martin Member.
• group of beds-level stratigraphic resolution
Environment/lithology: limestone and sandstone
Size class: macrofossils
Reposited in the GSC
Primary reference: P. E. Raymond. 1908. The Gastropoda of the Chazy Formation. Annals of the Carnegie Museum 4:168-225 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 155416: authorized by Pete Wagner, entered by Pete Wagner on 12.04.2014, edited by Björn Kröger
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Helicotoma whiteavesiana n. sp.
Helicotoma whiteavesiana n. sp. Raymond 1908 snail | |
Raphistoma striatum Emmons 1842 snail | |
| |
Tergomya | |
Archinacella deformata Hall 1847 |