Also known as 63ACn1531
Where: Yukon, Canada (64.9° N, 141.0° W: paleocoordinates 11.0° N, 60.5° W)
When: Road River Formation, Caradoc (458.4 - 449.5 Ma)
• Less than 50 feet above Cambrian limestone.
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by Churkin in 1963
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 114855: authorized by Arnold Miller, entered by Sarah Kolbe on 25.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
Dicellograptus sextans exilis graptolite | |
Orthograptus whitfieldi graptolite
Orthograptus sp. Lapworth 1873 graptolite | |
Pseudoclimacograptus scharenbergi Lapworth 1976 climacograptid |