Also known as Broken Rib Member, Dyer Fm., Locality 3, Garfield Co., CO

Where: Garfield County, Colorado (39.7° N, 107.5° W: paleocoordinates 19.4° S, 48.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Lower Palmatolepis gracilis expansa conodont zone, Broken Rib Member (Dyer Formation), Late/Upper Famennian (364.7 - 360.7 Ma)

• This publication lists the Dyer as a member of the Chaffee Formation. The Dyer is now a formation of the Chaffee Group. The limestone beds in which this fauna was collected have been since named the Broken Rib Member. Refer to Webster et al., 1999.

• member-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray, cherty/siliceous carbonate and dolomite

Size class: macrofossils

Primary reference: N. W. Bass and S. A. Northrop. 1963. Geology of Glenwood Springs Quadrangle and Vicinity Northwestern Colorado. U. S. Geological Survey Bulletin 1142-J:J1-J74 [A. Miller/A. Webber/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 3623: authorized by Arnold Miller, entered by Andrew Webber on 05.08.1999

Creative Commons license: CC BY (attribution)