GSC 64579. North White River Section (Ordovician of the United States)

Where: British Columbia (50.3° N, 115.3° W: paleocoordinates 3.4° S, 70.7° W)

• outcrop-level geographic resolution

When: Orthidiella brachiopod zone, Glenogle Shales Formation, Rangerian (470.0 - 470.3 Ma)

• Also Isograptus caduceus graptolite zone.

• bed-level stratigraphic resolution

Environment/lithology: limestone

• 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 149567: 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.
Pterobranchia
 Graptoloidea - Dichograptidae
Dichograptidae indet. Lapworth 1873 graptolite
 Graptoloidea - Isograptidae
"Isograptus caduceus" = Parisograptus caduceus Salter and Bigby 1853 graptolite
Isograptus caduceus divergens
Trilobita
 Trinucleida - Raphiophoridae
Globampyx sinalae n. sp. Norford and Ross 1978 trilobite
 Asaphida - Nileidae
Peraspis kolouros n. sp. Norford and Ross 1978 trilobite
Ostracoda
 Palaeocopida - Euprimitiidae
cf. Primitiella sp. Ulrich 1894 ostracod