Derbyia

Phylum: Brachiopoda-Articulata
Class: Strophomenata
Order: Orthotetida
Family: Derbyiidae
Genus: Derbyia

Species
Information
Images

Species of Derbyia present in the Pennsylvanian of the American Midcontinent

Derbyia bennetti

Derbyia crassa

Derbyia deercreekensis

Derbyia haesitans

Derbyia hooserensis

Derbyia jacksboroensis

Derbyia kansasensis

Derbyia nebrascensis

Derbyia plattsmouthensis

Derbyia robusta

Geological Range

Morrowan to Virgilian (also Permian); Extinct.

Paleogeographic Distribution

Texas to Wyoming.

Stratigraphic Occurrences

Virgilian: Bern Limestone (Wakarusa Limestone Member) (OK, KS); Calhoun Shale (KS, IA); Deer Creek Limestone (KS); Deer Creek Limestone (Rock Bluff Limestone Member) (KS); Deer Creek Limestone (Ozawkie Limestone Member) (KS); Emporia Limestone (OK); Graham Formation (TX); Graham Formation (Wayland Shale Member) (TX); Graham Formation (Gunsight Limestone Member) (TX); Graham Formation (Necessity Shale Member) (TX); Graham Formation (Gonzales Creek Shale Member) (TX); Graham Formation (Jacksboro Limestone Member) (TX); Graham Formation (Finis Shale Member) (TX); Harpersville Formation (TX); Harpersville Formation (Waldrip Shale Member) (TX); Harpersville Formation (Belknap Member) (TX); Howard Formation (KS); Howard Formation (Church Limestone Member) (KS); Kanwaka Shale (KS); Kanwaka Shale (Stull Shale Member) (KS); Lawrence Formation (KS); Lawrence Formation (Robbins Shale Member) (KS); Lawrence Formation (Haskell Limestone Member) (KS); Lawrence Shale (Wathena Shale Member) (KS); Lecompton Limestone (KS); Lecompton Limestone (Avoca Limestone Member) (KS); Lecompton Limestone (Beil Limestone Member) (KS); Lecompton Limestone (King Hill Shale Member) (KS); Lecompton Limestone (Spring Branch Limestone Member) (KS); Oread Formation (Snyderville Shale Member) (MO); Oread Limestone (KS, NE); Oread Limestone (KS); Oread Limestone (Kereford Limestone Member) (KS); Oread Limestone (Leavenworth Limestone Member) (KS); Oread Limestone (Plattsmouth Limestone Member) (KS); Oread Limestone (Plattsmouth Limestone Member) (OK); Oread Limestone (Snyderville Shale Member) (KS); Oread Limestone (Toronto Limestone Member) (KS); Pawhuska Formation (OK); Root Shale (KS); Root Shale (French Creek Shale Member) (KS); Root Shale (Friedrich Shale Member) (KS); Root Shale (Jim Creek Limestone Member) (KS); Severy Shale (KS); Stotler Limestone (Grandhaven Limestone Member) (KS); Stotler Limestone (Dover Limestone Member) (KS); Stranger Formation (Iatan Limestone Member) (KS); Stranger Formation (Vinland Shale Member) (KS); Stranger Formation (Weston Shale Member) (KS); Tecumseh Shale (KS); Tecumseh Shale (Rakes Creek Member) (KS); Topeka Limestone (KS); Topeka Limestone (Coal Creek Limestone Member) (KS); Topeka Limestone (Hartford Limestone Member) (KS); Wood Siding Formation (Brownville Limestone Member) (OK, KS); Zeandale Limestone (Tarkio Limestone Member) (KS)
Missourian: Bonner Springs Shale (KS); Brad Formation (TX); Brad Formation (Ranger Limestone Member) (TX); Chanute Shale (MO); Checkerboard Formation (OK, KS); Cherryvale Formation (IA); Cherryvale Formation (Fontana Shale Member) (IA); Cherryvale Shale (MO); Coffeyville Formation (OK); Dennis Limestone (KS); Dennis Limestone (Stark Shale Member) (KS); Dennis Limestone (Winterset Limestone Member) (KS, MO); Drum Limestone (KS); Drum Limestone (Cement City Limestone Member) (MO); Francis Formation (OK); Graford Formation (TX); Graford Formation (Brownwood Shale Member) (TX); Hertha Limestone (KS); Hertha Limestone (Mound City Shale Member) (KS); Iola Limestone (KS, MO); Iola Limestone (Raytown Limestone Member) (KS); Iola Limestone (Raytown Limestone Member) (MO); Keechi Creek Formation (TX); Plattsburg Limestone (Hickory Creek Shale Member) (KS); Plattsburg Limestone (Merriam Limestone Member) (KS); Plattsburg Limestone (Spring Hill Limestone Member) (KS); Stanton Limestone (KS); Stanton Limestone (Captain Creek Limestone Member) (KS); Stanton Limestone (Eudora Shale Member) (KS); Stanton Limestone (Rock Lake Shale Member) (KS); Stanton Limestone (South Bend Limestone Member) (KS); Stanton Limestone (Stoner Limestone Member) (KS); Stranger Formation (MO); Swope Limestone (KS); Swope Limestone (Bethany Falls Limestone Member) (KS); Swope Limestone (Middle Creek Limestone Member) (KS); Vilas Shale (MO); Wann Formation (OK); Wyandotte Formation (Frisbie Limestone Member) (MO); Wyandotte Limestone (Argentine Limestone Member) (KS); Wyandotte Limestone (Farley Limestone Member) (KS)
Desmoinesian: Allegheny Formation (Putnam Hill Limestone Member) (OH); Allegheny Formation (Vanport Limestone Member) (OH); Altamont Limestone (KS); Big Branch Formation (OK); Big Branch Formation (Pumpkin Creek Limestone Member) (OK); Boggy Formation (OK); Cabaniss Formation (Verdigris Limestone Member) (KS); Cabaniss Formation (Verdigris Limestone Member) (OK); Carbondale Formation (KS); Carbondale Formation (Brereton Limestone Member) (IL); Deese Formation (Arnold Limestone Member) (OK); East Mountain Shale (TX); Fort Scott Limestone (KS); Garner Formation (TX); Holdenville Shale (OK); Labette Shale (IA); Lake Murray Formation (Frensley Member) (OK); Lake Murray Formation (Lester Member) (OK); Lenapah Limestone (KS); McAlester Formation (OK); McCoy Formation (CO); Millsap Lake Formation (TX); Millsap Lake Formation (Grindstone Creek Member) (TX); Mineral Wells Formation (TX); Mingus Shale (TX); Pawnee Limestone (KS); Salesville Shale (TX); Verdigris Formation (Ardmore Limestone Member) (IA); Wewoka Formation (OK)
Atokan: Pottsville Formation (Mercer Limestone Member) (MO); Pottsville Formation (Mercer Limestone Member) (OH)
Morrowan: Bloyd Shale (Brentwood Limestone Member) (AR); Golf Course Formation (Otterville Limestone Member) (OK); Marble Falls Limestone (TX); Marble Falls Limestone (Sloan Member) (TX); Wapanucka Limestone (OK)
Unknown Stage: Bourbon Group (KS); Casper Formation (WY); Cherokee Shale (KS); Coal Measures (IL); Coal Measures (KS); Magdalena Limestone (NM); Pueblo Formation (Camp Colorado Limestone Member) (TX)