Severy Shale, Du Bois ( of the United States)

Where: Pawnee County, Nebraska (40.0° N, 96.0° W: paleocoordinates 0.9° S, 27.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Severy Shale Formation, Virgilian (303.4 - 298.9 Ma)

• Organic rich limestone nodules within the Severy Shale Formation collected

•directly above the Nodaway Coal Member

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, nodular, carbonaceous limestone

Size classes: macrofossils, mesofossils, microfossils

Primary reference: R. F. Diffendal. 1974. Microfossils from the Severy Shale (Pennsylvanian) near Du Bois, Nebraska. Proceedings of the Nebraska Academy of Sciences and Affiliated Societies, 84th Annual Meeting, April 19–20, 1974 31 [L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 94391: authorized by Loic Villier, entered by Loic Villier on 18.02.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Textulariina
 Astrorhizacea - Psammosphaeridae
 Ammodiscoidea - Ammodiscidae
Ammodiscus sp. Reuss 1862
 Fusulinina - Nodosinellidae
Fusulinina
 Endothyroidea - Endothyridae
Ostracoda
 Metacopida -
 Podocopida - Macrocyprididae
 Palaeocopida - Amphissitidae
Amphissites sp. Girty 1910 ostracod
 Platycopida - Hollinellidae
Strophomenata
 Productida - Echinoconchidae
Juresania sp. Fredericks 1928
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Cephalopoda
 Ammonoidea -
Ammonoidea indet. Zittel 1884 ammonite
Bryozoa
  -
Conodonta
 Ozarkodinida -
"Ozarkodina sp." = Ozarkodina, "Hindeodella sp." = Ozarkodina
"Ozarkodina sp." = Ozarkodina Branson and Mehl 1933 conodont
"Hindeodella sp." = Ozarkodina Branson and Mehl 1933 conodont
 Ozarkodinida - Polygnathidae
Chondrichthyes
 Euselachii - Anachronistidae
Cooleyella sp. Gunnell 1933 elasmobranch
  -
Moreyella sp. Gunnell 1933 shark
Ophiocistioidea
  - Rotasacciidae
Protocaudina sp. Croneis and McCormack 1932
Holothuroidea
  -
Tetravirga sp. Frizzell and Exline 1955 sea cucumber
 Dendrochirotida - Calclamnidae
Eocaudina sp. Martin 1952 sea cucumber
 Apodida - Achistridae
Achistrum sp. Etheridge 1881 sea cucumber
 Apodida - Myriotrochidae
Paleochiridota sp. Croneis and McCormack 1932 sea cucumber
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
unclassified
  -
Porifera indet. Grant 1836