Wilson Loc 156. Stewart Quarry, South of Rockland. (Ordovician of Canada)

Where: Ontario, Canada (45.5° N, 75.3° W: paleocoordinates 25.5° S, 51.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Phragmodus undatus conodont zone, Coboconk Member (Bobcaygeon Formation), Turinian (457.3 - 453.8 Ma)

• member-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 104422: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Bellerophontida - Plectonotidae
Tetranota bidorsata Hall 1847 snail
 Bellerophontida - Bucaniidae
"Bucania punctifrons" = Undulabucania punctifrons Emmons 1842 snail
Phragmolites compressus Conrad 1838 snail
 Bellerophontida - Sinuitidae
Sinuites cancellatus Hall 1847 snail
 Murchisoniina - Subulitidae
"Hormotoma bellicincta" = Eroicaspira bellicincta, Subulites acutus
"Hormotoma bellicincta" = Eroicaspira bellicincta Hall 1847 snail
Subulites acutus Wilson 1932 snail
 Murchisoniina - Lophospiridae
Lophospira perangulata Hall 1847 snail
 Murchisoniina - Trochonematidae
Trochonema umbilicata Hall 1847 snail
 Murchisoniina - Loxonematidae
"Hormotoma trentonensis" = Omospira trentonensis
"Hormotoma trentonensis" = Omospira trentonensis Ulrich and Scofield 1897 snail
Hormotoma trentonensis crassa
 Murchisoniina - Eotomariidae
Liospira subconcava Ulrich and Scofield 1897 snail
 Euomphalina - Macluritidae
"Maclurites logani" = Maclurina logani
"Maclurites logani" = Maclurina logani Salter 1852 snail