Where: Arizona (34.6° N, 110.8° W: paleocoordinates 8.4° N, 36.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Harrisburg Member (Kaibab Formation), Roadian (272.3 - 268.8 Ma)
• Alpha member
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Grand Canyon National Park Museum (types or all now at USNM)
Primary reference: E. D. McKee. 1938. The environment and history of the Toroweap and Kaibab Formations of northern Arizona and southern Utah. Carnegie Institution of Washington Publication 492:1-268 [G. Webster/G. Webster/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138366: authorized by Matthew Clapham, entered by Jered Karr on 15.01.2013, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
"Productus bassi" = Peniculauris bassi
"Productus bassi" = Peniculauris bassi McKee 1938 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam |