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%"
unclassified
  -
Retziidinae indet.
Retziidina
Spiriferidinae indet.
Spiriferidina
Strophomenidinae indet.
Strophomenidina
Chonetidinae indet.
Chonetidina
Productidinae indet.
Productidina
Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Tabulata -
Tabulata indet. tabulate coral
Gastropoda
 Streptoneura -
? Archaeogastropoda indet. Thiele 1925 snail
gastropods - originally entered as "? Archaeogastropoda indet."
Bivalvia
 Autobranchia -
Pterioida indet. Newell 1965 clam
 Nuculoida -
"Nuculoida indet." = Nuculida
"Nuculoida indet." = Nuculida Dall 1889 clam
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet. Gray 1848
originally entered as "Rhynchonellida indet."
 Orthida -
Orthida indet. Schuchert and Cooper 1932
 Athyridida - Athyrididae
Athyridinae indet. M'Coy 1844
Athyridina
 Terebratulida -
Lingulata
 Acrotretida -
? Acrotretida indet. Kuhn 1949
inarticulates, other than Lingula - originally entered as "? Acrotretida indet."
Stenolaemata
 Cryptostomata - Fenestellidae
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Blastoidea
  -
Blastoidea indet. Say 1825 blastoid
dom. Pentremites
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin