Also known as Broken Rib Member, Dyer Fm., Locality 7, Garfield Co., CO
Where: Garfield County, Colorado (39.8° N, 107.2° W: paleocoordinates 19.6° S, 48.5° W)
• coordinate based on political unit
• 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 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 since been named the Broken Rib Member. Refer to Webster et al., 1999.
• member-level stratigraphic resolution
Environment/lithology: offshore shelf; gray, cherty/siliceous carbonate and dolomite
Size class: macrofossils
Collection methods: Collected by Bass, Northrup, and G. M. Richmond 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 3664: authorized by Arnold Miller, entered by Andrew Webber on 06.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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unclassified | |
Echinodermata indet. Klein 1754 | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Gnathostomata | |
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Strophomenata | |
Schuchertella sp. Girty 1904 | |
"? Echinoconchus laminatus" = Laminatia laminata
"? Echinoconchus laminatus" = Laminatia laminata Kindle 1909 originally entered as "Echinoconchus? laminatus"
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Planoproductus cf. hillsboroensis Kindle 1909 originally entered as "Planoproductus cf. hillsboroensis"
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Rhynchonellata | |
"Schizophoria cf. australis" = Schizophoria (Schizophoria) australis
"Schizophoria cf. australis" = Schizophoria (Schizophoria) australis Kindle 1909 originally entered as "Schizophoria cf. australis"
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"Camarotoechia sobrina" = Ptychomalotoechia sobrina
"Camarotoechia sobrina" = Ptychomalotoechia sobrina Stainbrook 1947 | |
Pugnoides sp. Weller 1910 | |
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Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail "indet. high-spired" - originally entered as "Gastropoda indet. high-spired"
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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"
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Rostroconchia | |
Conocardium sp. Bronn 1835 | |
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
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