Ross Lake Shale Mbr., Cathedral Dolomite Fm., Alberta (Cambrian of Canada)

Where: British Columbia, Canada (52.8° N, 119.3° W: paleocoordinates 0.9° S, 74.6° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Albertella zone, Ross Lake Shale Member (Cathedral Dolomite Formation), Merioneth (497.0 - 485.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; black, cherty/siliceous shale

• "outer detrital belt. pre-orogenic geosyncline, BA4"

Size class: macrofossils

Primary reference: C. F. Deiss. 1940. Lower and Middle Cambrian stratigraphy of southwestern Alberta and southeastern British Columbia. Geological Society America Bulletin 51:731-794 [M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 199: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Deiss (1939, 1940)"
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
 Paterinida - Paterinidae
Paterina sp. Beecher 1891
 Lingulida - Acrothelidae
Acrothele sp. Linnarsson 1876
 Lingulida - Obolidae
Obolus sp. Eichwald 1829
 Orthida - Bohemiellidae
Wimanella sp. Walcott 1908
 Corynexochida - Dolichometopidae
Poliella sp. Walcott 1916 trilobite
 Corynexochida - Zacanthoididae
Albertella sp. Walcott 1908 trilobite
Vanuxemella sp. Walcott 1916 trilobite
 Ptychopariida -
Kochina sp. Resser 1935 trilobite
Mexicella sp. Lochman 1948 trilobite
 Ptychopariida - Alokistocaridae
Amecephalus sp. Walcott 1924 trilobite
Ptarmingia sp. Raymond 1928