Where: Idaho/ Utah (42.2° N, 112.3° W: paleocoordinates 5.4° S, 89.0° W)
• coordinate based on political unit
• basin-level geographic resolution
When: ? Bolaspidella trilobite zone, Calls Fort Shale Member (Bloomington Formation), St Davids (509.0 - 497.0 Ma)
• "?Bolaspidella zone"
• member-level stratigraphic resolution
Environment/lithology: marine; limestone and shale
Size class: macrofossils
Primary reference: G. B. Maxey. 1958. Lower and Middle Cambrian stratigraphy in northern Utah and southeastern Idaho. Geological Society America Bulletin 69:647-687 [M. Uhen/J. Ju/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 218: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999, edited by Phil Novack-Gottshall
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Hyolitha | |
Hyolithes sp. d'Eichwald 1840 | |
Helcionelloida | |
Stenotheca sp. Hicks 1872 | |
Artiopoda | |
| |
Trilobita | |
Parehmania sp. Deiss 1939 trilobite | |
"? Howellaspis sp." = Bolaspidella
| |
| |
"Ptychoparia oweni" = Modocia nevadensis
"Ptychoparia oweni" = Modocia nevadensis Palmer 1954 trilobite originally entered as "Pachyrachis sp."
| |
Asaphiscus sp. Meek 1873 trilobite |