Western Grand Canyon, Bright Angel Fm. (Cambrian of the United States)

Where: Arizona (36.0° N, 113.8° W: paleocoordinates 3.8° S, 96.7° W)

• coordinate based on political unit

When: Bonnia - Olenellus zone, Bright Angel Formation, Cambrian (541.0 - 485.4 Ma)

• upper Bonnia-Olenellus zone

Environment/lithology: marine; green shale

• "sandy green shale. nearshore"

Size class: macrofossils

Primary reference: E. D. McKee and C. E. Resser. 1945. Cambrian history of the Grand Canyon region. Carnegie Institution of Washington Publication 563:1-232 [M. Uhen/J. Ju/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 185: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "McKee, E.D. and Resser, C.E. 1945. Cambrian stratigraphy of the Grand Canyon region. Carnegie Inst. Washington Publ. 563 232 p."
 Redlichiida - Olenellidae
Olenellus sp. Hall 1861 trilobite
  - Antagmidae
Antagmus sp. Resser 1936 trilobite
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
 Kutorginida - Nisusiidae
Nisusia sp. Walcott 1905