Where: Alaska (55.8° N, 133.6° W: paleocoordinates 4.6° S, 92.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Atrypa-Isorthis zone, Karheen Formation, Silurian (443.8 - 419.2 Ma)

• Lower part of Karheen Formation, Atrypa-Isorthis zone

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

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

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 108322: authorized by Arnold Miller, entered by Sarah Kolbe on 28.04.2011

Creative Commons license: CC BY (attribution)