Pentremites-Spirifera-Fenestellidae community, Floyd Shale (Carboniferous of the United States)
Where: Georgia (34.7° N, 85.2° W: paleocoordinates 20.6° S, 33.8° W)
• coordinate based on political unit
When: Floyd Shale Formation, Meramecian (345.0 - 336.0 Ma)
• "Upper Miss."
Environment/lithology: deep subtidal shelf; argillaceous, calcareous limestone and shale
• "calcareous shale, calcilutite (argillaceous ls). open marine, little agitation, prob. below wave base."
Size class: macrofossils
Primary reference: T. W. Broadhead. 1976. Depositional systems and marine benthic communities in the Floyd Shale, Upper Mississippian, northwest Georgia. Structure and classification of paleo-communities 263-278 [G. Webster/G. Webster]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 573: authorized by Arnold Miller, entered by Mike Sommers on 19.01.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
• "Broadhead, 1976. Abundance categories: D= 75% specimens, A= 10-30%, C= 2-10%, R< 2%"
Show authors, comments, and common names
unclassified | |
Retziidinae indet., Spiriferidinae indet., Strophomenidinae indet., Chonetidinae indet., Productidinae indet.
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Anthozoa | |
Rugosa indet. horn coral | |
Tabulata indet. tabulate coral | |
Gastropoda | |
? Archaeogastropoda indet. Thiele 1925 snail gastropods - originally entered as "? Archaeogastropoda indet."
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Bivalvia | |
Pterioida indet. Newell 1965 clam | |
"Nuculoida indet." = Nuculida
"Nuculoida indet." = Nuculida Dall 1889 clam | |
Rhynchonellata | |
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Orthida indet. Schuchert and Cooper 1932 | |
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Terebratulida indet. Waagen 1883 | |
Lingulata | |
? Acrotretida indet. Kuhn 1949 inarticulates, other than Lingula - originally entered as "? Acrotretida indet."
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Stenolaemata | |
Fenestellidae indet. King 1850 | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Blastoidea | |
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Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin |