Wilson Loc 270. Mille Roches quarries (Ordovician of Canada)

Where: Ontario, Canada (45.0° N, 74.8° W: paleocoordinates 26.1° S, 51.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Phragmodus undatus conodont zone, Chaumont Formation, Turinian (460.9 - 449.5 Ma)

• Given as Leray in Wilson (1951).

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform

Size class: macrofossils

Preservation: replaced with silica

Reposited in the GSC

Collection methods: bulk,

Primary reference: A. E. Wilson. 1951. Gastropoda and Conularida of the Ottawa Formation of the Ottawa - St. Lawrence Lowland. Geological Survey of Canada Bulletin 17:1-149 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185465: authorized by Pete Wagner, entered by Pete Wagner on 23.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bellerophontida - Bucaniidae
Salpingostoma billingsi Wilson 1951 snail
 Murchisoniina - Eotomariidae
Liospira vitruvia Billings 1865 snail
Liospira subconcava Ulrich and Scofield 1897 snail
 Murchisoniina - Murchisoniidae
"Hormotoma canadensis" = Cyrtostropha salteri canadensis
"Hormotoma canadensis" = Cyrtostropha salteri canadensis Ulrich and Scofield 1897 snail
Hormotoma salteri canadensis
 Murchisoniina - Hormotomidae
Hormotoma gracilis Hall 1847 snail
 Murchisoniina - Subulitidae
Subulites acutus Wilson 1932 snail