Where: Alaska (65.0° N, 141.2° W: paleocoordinates 14.6° N, 55.2° W)

When: Road River Formation, Caradoc to Caradoc (458.4 - 443.7 Ma)

• 100 feet above M1023-CO.

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

Size class: macrofossils

Collected by Brabb in 1963

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 114976: authorized by Arnold Miller, entered by Sarah Kolbe on 26.08.2011

Creative Commons license: CC BY (attribution)