Also known as 60ABa121

Where: Alaska (65.0° N, 141.2° W)

• Paleocoordinates: 8.9° N, 93.7° W (Wright 2013)

When: Road River Formation, Ludlow (427.4 - 423.0 Ma)

• 50 feet above 7029-SD (same stratigraphic level as M1004-SD).

Environment/lithology: offshore; lithified, cherty/siliceous shale

Size class: macrofossils

Collected by Brabb in 1960

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 114948: authorized by Arnold Miller, entered by Sarah Kolbe on 26.08.2011

Creative Commons license: CC0 (CC0)