GSC 64561. North White River Section (Ordovician of the United States)

Where: British Columbia (50.3° N, 115.3° W: paleocoordinates 3.0° S, 68.8° W)

• outcrop-level geographic resolution

When: Anomalorthis brachiopod zone, Sikanni Chief Member (Skoki Formation), Darriwilian (467.3 - 458.4 Ma)

• Sikani Chief member not mentioned, but that is the base of the Skoki, and these beds are only about 45 meters above the base. This is Kanoshian

• bed-level stratigraphic resolution

Environment/lithology: silty limestone and nodular chert

• Key for Txt Figure 2

Size class: macrofossils

Preservation: replaced with silica

Reposited in the GSC

Collection methods: bulk, hydrochloric

Primary reference: B. S. Norford and R. J. Ross. 1978. New species of brachiopods and trilobites from the Middle Ordovician (Whiterock) of southeastern British Columbia. Geological Survey of Canada Bulletin 267:1-11 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 149570: authorized by Pete Wagner, entered by Pete Wagner on 10.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

• Vague reporting for most taxa.
Show authors, comments, and common names
Strophomenata
 Strophomenida - Rafinesquinidae
"Leptaenidae indet." = Leptaeninae
"Leptaenidae indet." = Leptaeninae Hall and Clarke 1894
 Strophomenida - Hesperomenidae
Hesperomena canadensis n. sp.
Hesperomena canadensis n. sp. Norford and Ross 1978
Gastropoda
  -
Gastropoda sp.
Gastropoda sp. Cuvier 1795 snail
illustrated in pl. 3 f. 7-8, 10, 13-14, 16, 18 & 21
 Euomphalina - Macluritidae
Maclurites sp.
Maclurites sp. Le Sueur 1818 snail
illustrated in pl. 3 f. 26