4351-CO Yukon River Valley section (Cambrian of the United States)
Where: Alaska (65.0° N, 141.2° W: paleocoordinates 3.2° N, 69.8° W)
When: Cambrian (538.8 - 485.4 Ma)
Environment/lithology: lithified, conglomeratic limestone
Size class: macrofossils
Primary reference: M. Churkin, Jr. and E. E. Brabb. 1965. Ordovician, Silurian, and Devonian biostratigraphy of east-central Alaska. Bulletin of the American Association of Petroleum Geologists 49(2):172-185 [A. Miller/S. Kolbe]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 114979: authorized by Arnold Miller, entered by Sarah Kolbe on 26.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Trilobita | |
|
Richardsonella sp. Raymond 1924 trilobite | |
| Artiopoda | |
|
Geragnostus sp. Howell 1935 | |
| Pterobranchia | |
|
Callograptus sp. graptolite
Dictyonema sp. Hall 1851 graptolite | |