F-776.8 (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

When: Wewoka Formation, Desmoinesian (313.8 - 305.9 Ma)

• Bed number refers to elevation above sea level

• bed-level stratigraphic resolution

Environment/lithology: delta front; poorly lithified, 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,

• each collection represents 100 pounds (45 kg) of unweathered, in situ mudrock collected from a layer of rock no more than 5 cm thick; 200 mesh sieve was used- 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 8632: authorized by Tom Olszewski, entered by Tom Olszewski on 12.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Ammodiscoidea - Ammodiscidae
Ammodiscus sp. Reuss 1862
3392 specimens
Tolypammina sp. Rhumbler 1895
288 specimens
Lituotuba sp. Rhumbler 1895
512 specimens
 Astrorhizacea - Bathysiphonidae
Bathysiphon sp. Sars 1872
2208 specimens
 Hormosinacea - Hormosinidae
Reophax sp. Montfort 1808
1088 specimens
 Lituolida - Lituolidae
Ammobaculites sp. Cushman 1910
1152 specimens
 Endothyroidea - Endothyridae
Endothyranella sp.
2112 specimens
 Nodosinellacea - Earlandinitidae
Earlandinita sp.
1024 specimens
Ostracoda
 Podocopida - Healdiidae
Healdia sp. Roundy 1926 ostracod
320 specimens
 Podocopida - Bairdiidae
Bairdia sp. M'Coy 1844 ostracod
128 specimens
Lingulata
 Lingulida - Lingulidae
Lingula cf. carbonaria Shumard and Swallow 1858
320 specimens
Strophomenata
 Strophomenida - Chonetidae
"Mesolobus euampygus" = Mesolobus mesolobus euampygus
"Mesolobus euampygus" = Mesolobus mesolobus euampygus Girty 1912
68 specimens
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris planoconvexa Shumard 1855
826 specimens
Bivalvia
 Nuculanida - Sareptidae
Paleyoldia glabra Beede and Rogers 1898 clam
67 specimens
 Nuculanida - Malletiidae
Anthraconeilo taffiana Girty 1912 clam
687 specimens
 Nuculanida - Polidevciidae
Polidevcia bellistriata Stevens 1858 clam
72 specimens
 Nuculida - Nuculidae
"Nuculopsis anodontoides" = Economolopsis anodontoides Meek 1871 nut clam
subgenus Palaeonucula: 394 specimens
Nuculopsis girtyi Schenck 1934 nut clam
1 specimens
Nuculopsis wewokana Girty 1915 nut clam
subgenus Palaeonucula: 1124 specimens
Scaphopoda
 Dentaliida - Dentaliidae
Plagioglypta sp. Pilsbry 1898 tusk shell
905 specimens
Gastropoda
 Bellerophontida - Euphemitidae
Euphemites carbonarius Cox 1857 snail
391 specimens
 Bellerophontida - Bellerophontidae
"Bellerophon cf. crassus" = Waagenella crassus
"Bellerophon cf. crassus" = Waagenella crassus Meek and Worthen 1860 snail
2 specimens
 Caenogastropoda - Meekospiridae
Girtyspira sp. Knight 1936 snail
64 specimens
Meekospira peracuta Meek and Worthen 1860 snail
1033 specimens
 Murchisoniina - Soleniscidae
Ianthinopsis sp. Meek and Worthen 1866 snail
610 specimens
 Murchisoniina - Gosseletinidae
"Trepospira depressa" = Trepospira illinoisensis, "Glabrocingulum grayvillensis" = Glabrocingulum grayvillense
"Trepospira depressa" = Trepospira illinoisensis Worthen 1884 snail
2146 specimens
"Glabrocingulum grayvillensis" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
2533 specimens
Cephalopoda
 Goniatitida - Gastrioceratidae
Gastrioceras sp. Hyatt 1884 ammonite
940 specimens
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras sp. Girty 1912
5 specimens
Conodonta
 Ozarkodinida - Idiognathodontidae
Idiognathodus sp. Gunnell 1931 conodont
256 specimens
unclassified
  -
Vertebrata indet. Lamarck 1801
fish: 320 specimens
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
1191 specimens
Holothuroidea
 Aspidochirotida - Holothuriidae
Holothuria indet. Linnaeus 1767 sea cucumber
256 specimens
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
260 specimens
Asteroidea
  -
Asteroidea indet. de Blainville 1830 sea star
and Ophiuroidea: 992 specimens