ammonites
USGS coll. 6447-SD Yukon-Nation Rivers area (Devonian to of the United States)

Also known as 60ABa1064

Where: Alaska (65.4° N, 143.4° W: paleocoordinates 5.6° S, 42.3° W)

• coordinate stated in text

When: Early/Lower Devonian to Early/Lower Devonian (416.0 - 383.7 Ma)

Environment/lithology: lithified limestone

• Limestone associated with Woodchopper Volcanics

Size class: macrofossils

Collected by Brabb in 1960

Primary reference: W. A. Oliver, Jr., C. W. Merriam, and M. Churkin, Jr. 1975. Ordovician, Silurian, and Devonian corals of Alaska. United States Geological Survey Professional Paper 823-B:13-44 [A. Miller/S. Kolbe] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 101488: authorized by Arnold Miller, entered by Sarah Kolbe on 23.12.2010