USGS no. D1068 CO (Ordovician of the United States)
Also known as 62-RJR-19
Where: Alaska (65.5° N, 167.4° W: paleocoordinates 10.0° N, 40.5° W)
• coordinate estimated from map
When: Arenig (478.6 - 466.0 Ma)
Environment/lithology: lithified, gray limestone and limestone
• Medium-bedded medium- to dark gray limestone and some light brownish-gray limestone.
Size class: macrofossils
Collected by Ross in 1962
Primary reference: C. L. Sainsbury. 1969. Geology and Ore Deposits of the Central York Mountains, Western Seward Peninsula, Alaska. United States Geological Survey Bulletin 1287:1-101 [A. Miller/S. Kolbe] more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 101852: authorized by Arnold Miller, entered by Sarah Kolbe on 04.01.2011