Locality 1. Glenwood Caynon of Colorado R. near Shoshone & near Glenwood Springs (Devonian of the United States)

Also known as Broken Rib Member, Dyer Fm., Locality 1, Garfield Co., CO

Where: Garfield County, Colorado (39.6° N, 107.3° W: paleocoordinates 19.7° 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 3615: authorized by Arnold Miller, entered by Andrew Webber on 05.08.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• This list was compiled by Kindle, 1909, The Devonian fauna of the Ourey Limestone: U. S. G. S. Bull. 391. See Webster et al., 1999, for a more detailed list of echinoderms from this member.
Anthozoa
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral
Gastropoda
 Euomphalina - Euomphalidae
"Straparollus (Euomphalus) cf. eurekensis" = Euomphalus eurekensis
"Straparollus (Euomphalus) cf. eurekensis" = Euomphalus eurekensis Walcott 1884 snail
originally entered as "Straparollus cf. eurekensis"
 Euomphalina - Anomphalidae
"Isonema humile" = Isonema depressum
"Isonema humile" = Isonema depressum Meek and Worthen 1866 snail
 Bellerophontida -
""Bellerophontoidea" indet." = Bellerophontoidea
""Bellerophontoidea" indet." = Bellerophontoidea M'Coy 1851 snail
Rhynchonellata
 Terebratulida - Cranaenidae
"Eunella sp." = Cranaena
"Eunella sp." = Cranaena Hall and Clarke 1893
 Spiriferida - Strophopleuridae
 Spiriferida - Cyrtospiriferidae
 Athyridida - Athyrididae
 Orthida - Schizophoriidae
"Schizophoria australis" = Schizophoria (Schizophoria) australis
"Schizophoria australis" = Schizophoria (Schizophoria) australis Kindle 1909
 Rhynchonellida - Leiorhynchidae
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia sobrina" = Ptychomalotoechia sobrina
"Camarotoechia sobrina" = Ptychomalotoechia sobrina Stainbrook 1947
Strophomenata
 Productida - Sentosiidae
"? Echinoconchus laminatus" = Laminatia laminata
"? Echinoconchus laminatus" = Laminatia laminata Kindle 1909
originally entered as "Echinoconchus? laminatus"
 Productida - Productidae
Leioproductus coloradensis, "Bispinoproductus varispinosus" = Leioproductus varispinosus
"Bispinoproductus varispinosus" = Leioproductus varispinosus Stainbrook 1947
 Productida - Productellidae
 Orthotetida - Areostrophiidae
"Schuchertella chemungensis" = Floweria chemungensis
"Schuchertella chemungensis" = Floweria chemungensis Conrad 1842