USGS no. D909 CO (Ordovician of the United States)
Also known as 61-ASn-170
Where: Alaska (65.5° N, 167.1° W: paleocoordinates 8.1° N, 41.5° W)
• coordinate estimated from map
When: Canadian (488.3 - 468.1 Ma)
Environment/lithology: offshore; lithified, massive, gray limestone and lithified, argillaceous limestone
• Contains scattered nodules and lenses of chert.
Size class: macrofossils
Collected by Sainsbury in 1961
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 101835: authorized by Arnold Miller, entered by Sarah Kolbe on 04.01.2011