Where: Millard County, Utah (39.3° N, 113.3° W: paleocoordinates 4.3° S, 91.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Ptychagnostus atavus trilobite zone, Wheeler Formation, Marjumian (513.0 - 498.5 Ma)
• STRATIGRAPHIC RELATIONS: From the Wheeler Fm. Stratigraphic relations are not discussed in text. AGE: Middle Cambrian. Justification not stated in text. STRATIGRAPHIC POSITION: From unknown position within the formation. Bolaspidella zone, too.
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; lithified mudstone
Size class: macrofossils
Preservation: cast, mold/impression, soft parts
Collected by Gunther; reposited in the ROM, USNM, YPM
Collection methods: surface (in situ),
• COLLECTORS: Unknown, but possibly including B.S. Liverman, D.E. Briggs, S.L. Halgedahl, and R.J Jarrard. REPOSITORIES: KUMIP (Kansas), ROM (Ontario), USNM (Washington), UU (Utah), YPM (Yale).
Primary reference: D. E. G. Briggs, B. S. Lieberman, J. R. Hendricks, S. L. Halgedahl, and R. D. Jarrard. 2008. Middle Cambrian arthropods from Utah. Journal of Paleontology 82(2):238-254 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 80125: authorized by Austin Hendy, entered by Austin Hendy on 06.04.2008, edited by Pete Wagner and Joanna Wolfe
Creative Commons license: CC BY (attribution)
Taxonomic list
Anomalocarididae indet. Raymond 1935 | |
Dicranocaris guntherorum | |
Dicranocaris guntherorum Briggs et al. 2008 | |
Messorocaris magna1 Lerosey-Aubril and Skabelund 2018 | |
Megacheira | |
Leanchoilia cf. illecebrosa1 Hou 1987 | |
Utaurora comosa n. sp.2
Utaurora comosa n. sp.2 Pates et al. 2022 | |
Stylophora | |
"? Cothurnocystis bifida n. sp." = Archaeocothurnus bifida3
"? Cothurnocystis bifida n. sp." = Archaeocothurnus bifida3 Ubaghs and Robison 1988 |