Nuculopsis

Phylum: Mollusca
Class: Bivalvia
Order: Nuculoida
Family: Nuculidae
Genus: Nuculopsis

Species
Information
Images

Species of Nuculopsis present in the Pennsylvanian of the American Midcontinent

Nuculopsis girtyi

Nuculopsis ventricosa

Geological Range

Morrowan to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Ohio.

Stratigraphic Occurrences

Virgilian: Calhoun Shale (KS); Emporia Limestone (OK); Graham Formation (Wayland Shale Member) (TX); Graham Formation (Gunsight Limestone Member) (TX); Graham Formation (Jacksboro Limestone Member) (TX); Graham Formation (Finis Shale Member) (TX); Harpersville Formation (TX); Harpersville Formation (Waldrip Shale Member) (TX); Howard Formation (Aarde Shale Member) (KS); Kanwaka Shale (KS); Kanwaka Shale (Stull Shale Member) (KS); Lawrence Formation (OK, KS); Lawrence Formation (Amazonia Limestone Member) (KS); Lawrence Formation (Robbins Shale Member) (KS); Lawrence Formation (Haskell Limestone Member) (KS); Oread Limestone (NE); Oread Limestone (Toronto Limestone Member) (KS); Scranton Shale (White Cloud Shale Member) (KS); Severy Shale (KS); Stranger Formation (KS); Stranger Formation (OK); Stranger Formation (Iatan Limestone Member) (KS); Stranger Formation (Vinland Shale Member) (KS); Stranger Formation (Weston Shale Member) (KS); Stranger Formation (Weston Shale Member) (OK); Stranger Formation (Westphalia Limestone Member) (KS); Tecumseh Shale (KS); Topeka Limestone (KS); Vamoosa Formation (OK)
Missourian: Barnsdall Formation (OK); Bonner Springs Shale (KS); Brad Formation (TX); Chanute Shale (MO); Checkerboard Formation (KS); Cherryvale Shale (Westerville Limestone Member) (KS); Coffeyville Formation (OK); Drum Limestone (KS); Drum Limestone (Dewey Limestone Member) (OK); Francis Formation (OK); Graford Formation (TX); Graford Formation (Brownwood Shale Member) (TX); Graford Formation (Wolf Mountain Shale Member) (TX); Hogshooter Formation (OK); Iola Limestone (Avant Limestone Member) (OK); Iola Limestone (Muncie Creek Shale Member) (OK); Iola Limestone (Raytown Limestone Member) (KS); Keechi Creek Formation (TX); Nellie Bly Formation (OK); Ochelata Formation (OK); Plattsburg Limestone (Hickory Creek Shale Member) (KS); Plattsburg Limestone (Merriam Limestone Member) (KS); Stanton Formation (Stoner Limestone Member) (MO); Stanton Limestone (KS); Stanton Limestone (Captain Creek Limestone Member) (KS); Stanton Limestone (Eudora Shale Member) (OK, KS); Stanton Limestone (Rock Lake Shale Member) (KS); Stranger Formation (MO); Stranger Formation (Weston Shale Member) (MO); Vilas Shale (OK, KS); Wann Formation (OK); Wyandotte Limestone (Farley Limestone Member) (KS); Wyandotte Limestone (Island Creek Shale Member) (KS)
Desmoinesian: Allegheny Formation (Putnam Hill Limestone Member) (OH); Allegheny Formation (Washingtonville Shale Member) (OH); Big Branch Formation (Pumpkin Creek Limestone Member) (OK); Boggy Formation (OK); Cabaniss Formation (MO); Cabaniss Formation (Chelsea Sandstone Member) (KS); East Mountain Shale (TX); Fort Scott Limestone (KS); Holdenville Shale (OK); Lenapah Limestone (OK, KS); McAlester Formation (OK); Millsap Lake Formation (TX); Millsap Lake Formation (Dickerson Member) (TX); Millsap Lake Formation (Grindstone Creek Member) (TX); Mineral Wells Formation (TX); Mingus Shale (TX); Salesville Shale (TX); Savanna Formation (OK); Stuart Shale (OK); Wewoka Formation (OK); Wetumka Formation (OK)
Morrowan: Marble Falls Limestone (Sloan Member) (TX)
Unknown Stage: Coal Measures (IL); Coal Measures (KS); Coal Measures (MO)