F-791.2 (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 number is feet above mean sea level

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,

• single bulk sample consisting of approximately 100 pounds (45 kg) of unweathered, in situ mudrock collected from a layer of no more than 5 cm thickness- 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 8642: authorized by Tom Olszewski, entered by Tom Olszewski on 13.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Endothyroidea - Endothyridae
Endothyranella sp.
2048 specimens
 Lituolida - Lituolidae
Ammobaculites sp. Cushman 1910
5504 specimens
 Ammodiscoidea - Ammodiscidae
Ammodiscus sp. Reuss 1862
9792 specimens
Lituotuba sp. Rhumbler 1895
896 specimens
Tolypammina sp. Rhumbler 1895
96 specimens
 Hormosinacea - Hormosinidae
Reophax sp. de Montfort 1808
2624 specimens
unclassified
  -
Vertebrata indet. Lamarck 1801
fish debris: 64 specimens
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
3525 specimens
Holothuroidea
 Aspidochirotida - Holothuriidae
Holothuria indet. Linnaeus 1767 sea cucumber
1664 specimens
Asteroidea
  -
Asteroidea indet. de Blainville 1830 sea star
and Ophiuroidea: 20864 specimens
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
2467 specimens
Ostracoda
 Podocopida - Bairdiidae
Bairdia sp. M'Coy 1844 ostracod
2176 specimens
Cephalopoda
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras sp. Girty 1912
6 specimens
 Goniatitida - Gastrioceratidae
Gastrioceras sp. Hyatt 1884 ammonite
1253 specimens
Gastropoda
 Caenogastropoda - Meekospiridae
Meekospira peracuta Meek and Worthen 1860 snail
972 specimens
Girtyspira sp. Knight 1936 snail
160 specimens
 Murchisoniina - Gosseletinidae
"Glabrocingulum grayvillensis" = Glabrocingulum grayvillense, "Trepospira depressa" = Trepospira illinoisensis
"Glabrocingulum grayvillensis" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
3395 specimens
"Trepospira depressa" = Trepospira illinoisensis Worthen 1884 snail
1514 specimens
 Murchisoniina - Soleniscidae
Ianthinopsis sp. Meek and Worthen 1866 snail
384 specimens
 Bellerophontida - Euphemitidae
Euphemites carbonarius Cox 1857 snail
546 specimens
 Bellerophontida - Bellerophontidae
"Bellerophon cf. crassus" = Waagenella crassus
"Bellerophon cf. crassus" = Waagenella crassus Meek and Worthen 1860 snail
2 specimens
Scaphopoda
 Dentaliida - Dentaliidae
Plagioglypta sp. Pilsbry 1898 tusk shell
1374 specimens
Bivalvia
 Carditida - Astartidae
Astartella cf. concentrica Conrad 1842 clam
68 specimens
 Nuculanida - Sareptidae
Paleyoldia glabra Beede and Rogers 1898 clam
7 specimens
 Nuculanida - Polidevciidae
Polidevcia bellistriata Stevens 1858 clam
92 specimens
 Nuculanida - Malletiidae
Anthraconeilo taffiana Girty 1912 clam
1598 specimens
 Nuculida - Nuculidae
Nuculopsis girtyi Schenck 1934 nut clam
5 specimens
Nuculopsis wewokana Girty 1915 nut clam
subgenus Palaeonucula: 3083 specimens
"Nuculopsis anodontoides" = Economolopsis anodontoides Meek 1871 nut clam
subgenus Palaeonucula: 1253 specimens
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris planoconvexa Shumard 1855
2701 specimens