Near water's edge, mouth of Kanab Canyon, USNM loc. 75 (Cambrian of the United States)

Also known as Originally Peach Springs Mbr., Muav Limestone, Western Grand Canyon, AZ)

Where: Arizona (36.0° N, 113.8° W: paleocoordinates 3.6° S, 94.8° W)

• coordinate based on political unit

When: Bathyuriscus - Elrathina trilobite zone, Peach Springs Member (Muav Limestone Formation), Marjumian (504.5 - 497.0 Ma)

• "Bathyuriscus-Elrathina Zone"

•Was Merioneth; now Topazan-Marjumian

• member-level stratigraphic resolution

Environment/lithology: marine; limestone

• "mottled ls. BA3"
• "The Peach Springs member of the Muav formation is a mottled, aphanitic limestone unit that extends from the vicinity of Fossil Rapids westward through the Grand Canyon."

Size class: macrofossils

Primary reference: C. E. Resser. 1945. Cambrian history of the Grand Canyon region. Part II. Cambrian fossils of the Grand Canyon. Publications of the Carnegie Institution 563:171-220 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "McKee and Resser, 1945, p.31"

•Sepkoski's original list:

•Parelimania sp.

•Kootenia sp.

•Clavaspidella sp.

•Ptarmigania sp.

•Solenopleura sp.

•? Kochina sp.

•Nisusia sp.

•Paterina sp.

•Lingulella sp.

•Hyolithes sp.

Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
Rhynchonellata
 Protorthida - Protorthidae
Nisusia kanabensis Walcott 1908
Lingulata
 Lingulida - Obolidae
Paterinata
 Paterinida - Paterinidae
Trilobita
 Ptychopariida -
? Kochina angustata trilobite
originally entered as "? Kochina sp."
 Ptychopariida - Alokistocaridae
 Ptychopariida - Solenopleuridae
Solenopleura sp. Angelin 1854 trilobite
 Corynexochida - Dolichometopidae
Ptarmigania sp. Raymond 1928 trilobite
 Corynexochida - Dorypygidae
Kootenia mckeei trilobite