F-781.7 (Carboniferous of the United States)

Where: Hughes County, Oklahoma (35.0° N, 96.4° W: paleocoordinates 7.0° S, 32.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Wewoka Formation, Desmoinesian (312.8 - 306.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: delta front; yellow, calcareous claystone

• yellowish brown, platy to blocky, slightly calcareous claystone with yellowish brown to orange, soft ironstone nodules occurring both scattered throughout the unit and as discontinuous layers

Size classes: macrofossils, mesofossils, microfossils

Collection methods: bulk, mechanical, sieve,

• single bulk sample consisting of approximately 100 pounds (45 kg) of unweathered, in situ mudrock collected from a layer no more than 5 cm thick- NOTE: abundances appear to be based on inconsistent counting criteria, moved to comments fields by JA 1.9.06

Primary reference: R. R. West. 1970. Marine Communities of a Portion of the Wewoka Formation (Pennsylvanian) in Hughes County, Oklahoma. 1-301 [T. Olszewski/T. Olszewski/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 8637: authorized by Tom Olszewski, entered by Tom Olszewski on 13.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Nodosinellacea - Earlandinitidae
Earlandinita sp.
256 specimens
 Endothyroidea - Endothyridae
Endothyranella sp.
2304 specimens
 Lituolida - Lituolidae
Ammobaculites sp. Cushman 1910
1728 specimens
 Ammodiscoidea - Ammodiscidae
Lituotuba sp. Rhumbler 1895
640 specimens
Ammodiscus sp. Reuss 1862
1280 specimens
 Astrorhizacea - Bathysiphonidae
Bathysiphon sp. Sars 1872
1480 specimens
 Hormosinacea - Hormosinidae
Reophax sp. de Montfort 1808
640 specimens
Cephalopoda
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras sp. Girty 1912
2 specimens
 Goniatitida - Gastrioceratidae
Gastrioceras sp. Hyatt 1884 ammonite
452 specimens
Scaphopoda
 Dentaliida - Dentaliidae
Plagioglypta sp. Pilsbry 1898 tusk shell
4704 specimens
Bivalvia
 Carditida - Astartidae
Astartella cf. concentrica Conrad 1842 clam
3 specimens
 Nuculida - Nuculidae
Nuculopsis wewokana Girty 1915 nut clam
subgenus Palaeonucula: 1766 specimens
 Nuculanida - Polidevciidae
Polidevcia bellistriata Stevens 1858 clam
155 specimens
 Nuculanida - Malletiidae
Anthraconeilo taffiana Girty 1912 clam
1652 specimens
 Nuculanida - Sareptidae
Paleyoldia glabra Beede and Rogers 1898 clam
4 specimens
Gastropoda
 Bellerophontida - Euphemitidae
Euphemites carbonarius Cox 1857 snail
1413 specimens
 Caenogastropoda - Meekospiridae
Meekospira peracuta Meek and Worthen 1860 snail
1334 specimens
Girtyspira sp. Knight 1936 snail
32 specimens
 Murchisoniina - Soleniscidae
Ianthinopsis sp. Meek and Worthen 1866 snail
1025 specimens
 Murchisoniina - Gosseletinidae
"Glabrocingulum grayvillensis" = Glabrocingulum grayvillense, "Trepospira depressa" = Trepospira illinoisensis
"Glabrocingulum grayvillensis" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
3088 specimens
"Trepospira depressa" = Trepospira illinoisensis Worthen 1884 snail
1387 specimens
Lingulata
 Lingulida - Lingulidae
Lingula cf. carbonaria Shumard and Swallow 1858
384 specimens
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris planoconvexa Shumard 1855
64 specimens
Strophomenata
 Strophomenida - Chonetidae
"Mesolobus decipiens" = Mesolobus mesolobus decipiens
"Mesolobus decipiens" = Mesolobus mesolobus decipiens Girty 1912
1 specimens
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
32 specimens
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
1123 specimens
Asteroidea
  -
Asteroidea indet. de Blainville 1830 sea star
and Ophiuroidea: 1632 specimens
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
3421 specimens
Holothuroidea
 Aspidochirotida - Holothuriidae
Holothuria indet. Linnaeus 1767 sea cucumber
896 specimens
Conodonta
 Ozarkodinida - Idiognathodontidae
Gnathodus sp. conodont
128 specimens