GSC #68957- central Coal River section (Cambrian of Canada)

Also known as 68957

Where: Yukon, Canada (60.6° N, 127.3° W: paleocoordinates 1.5° S, 71.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Atdabanian (521.0 - 516.0 Ma)

• Strata exposed in Coal River section are physically separated from the Sekwi Fm and Atan Group. 1430 ft above base of section.

• bed-level stratigraphic resolution

Environment/lithology: ooidal, calcareous limestone

• Shallow water conditions.
• Bioclastic limestone, with some oolites and calcilutite.

Size class: macrofossils

Reposited in the GSC

• Collections made by Handfield during 1965 and 1966. Collections are reposited at Geological Survey of Canada

Primary reference: R. C. Handfield. 1971. Archaeocyatha from the MacKenzie and Cassiar Mountains, Northwest Territories, Yukon Territory and British Columbia. Geological Survey of Canada Bulletin 201:1-119 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49024: authorized by Austin Hendy, entered by Austin Hendy on 05.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for archaeocyathids; some trilobites
Yukoncyathus francesi
n. gen. et n. sp.
 Ajacicyathida - Ethmophyllidae
Ethmophyllum cf. whitneyi Meek 1868 archaeocyath sponge
 Ajacicyathida - Erbocyathidae
Ladaecyathus fischeri Handfield 1971 archaeocyath sponge
n. sp.
 Ajacicyathida - Kaltatocyathidae
Kaltatocyathus rozanovi archaeocyath sponge
n. sp.
 Archaeocyathida - Loculicyathidae
Robustocyathus aff. pelucidus Zhuravleva 1960 archaeocyath sponge
Loculicyathus canadensis archaeocyath sponge
n. sp.