Also known as Broken Rib Member, Dyer Fm., Locality 4, 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
Collection methods: Collected by the authors in 1951.
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 3625: authorized by Arnold Miller, entered by Andrew Webber on 05.08.1999, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Coleolus | |
Coleolus sp. Hall 1879 | |
Anthozoa | |
| |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Stenolaemata | |
Rhynchonellata | |
"Schizophoria australis" = Schizophoria (Schizophoria) australis
"Schizophoria australis" = Schizophoria (Schizophoria) australis Kindle 1909 | |
"Camarotoechia sobrina" = Ptychomalotoechia sobrina
"Camarotoechia sobrina" = Ptychomalotoechia sobrina Stainbrook 1947 | |
Cyrtiopsis sp. n. sp.
| |
Strophomenata | |
Schuchertella sp. Girty 1904 | |
Gastropoda | |
""Bellerophontoidea" indet." = Bellerophontoidea
""Bellerophontoidea" indet." = Bellerophontoidea M'Coy 1851 snail | |
Straparollus sp. de Montfort 1810 snail | |
"Platyceras (Platyostoma) cf. gigantea" = Floyda concentrica
"Platyceras (Platyostoma) cf. gigantea" = Floyda concentrica Webster 1905 snail originally entered as "Platyceras cf. gigantea"
| |
Platyceras sp. Conrad 1840 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Cephalopoda | |
| |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Tentaculita | |
Cornulites sp. Schlotheim 1820 | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily |