Also known as Broken Rib Member, Dyer Fm., White River Plateau, CO

Where: Garfield County, Colorado (39.8° N, 107.3° W: paleocoordinates 19.5° S, 48.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Polygnathus styriacus conodont zone, Broken Rib Member (Dyer Formation), Late/Upper Famennian (364.7 - 360.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified carbonate

Size class: macrofossils

Primary reference: G. D. Webster, D. J. Hafley, D. B. Blake and A. Glass. 1999. Crinoids and Stelleroids (Echinodermata) from the Broken Rib Member, Dyer Formation (Late Devonian, Famennian) of the White River Plateau, Colorado. Journal of Paleontology 73(3):461-486 [A. Miller/A. Webber/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3544: authorized by Arnold Miller, entered by Andrew Webber on 04.08.1999

Creative Commons license: CC BY (attribution)