USGS Loc. 13481, Unit B, Hughes Creek Shale member, Foraker LS formation (Carboniferous of the United States)

Where: Riley County, Kansas (39.2° N, 96.6° W: paleocoordinates 1.4° S, 28.1° W)

• outcrop-level geographic resolution

When: Hughes Creek Shale Member (Foraker Limestone Formation), Noginskian (301.2 - 300.1 Ma)

• The authors placed the Hughes Creek Shale in the Permian, but more recent data indicates that it is late Carboniferous. The Noginskian Stage is recognized as equivalent to the Virgilian Stage.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, calcareous siltstone

• Shale, silty, calcareous, gray, blocky; limonite stains in lower part

Reposited in the USGS

Primary reference: M. R. Mudge, E. L. Yochelson, R. C. Douglas, H. Duncan, H. L. Strimple, M. Gordon, Jr., and D. H. Dunkle. 1962. Stratigraphy and Paleontology of the Uppermost Pennsylvanian and Lowermost Permian Rocks in Kansas. United States Geological Survey Professional Paper 323:1-213 [A. Miller/C. Ferguson/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11875: authorized by Arnold Miller, entered by Chad Ferguson on 18.09.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Strophomenata
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
 Productida - Linoproductidae
"Linoproductus cf. magnispinus" = Linipalus magnispinus
"Linoproductus cf. magnispinus" = Linipalus magnispinus Dunbar and Condra 1932
Rhynchonellata
 Spiriferida - Trigonotretidae
 Athyridida - Neoretziidae
Hustedia mormoni Marcou 1858
Gastropoda
 Euomphalina - Euomphalidae
Amphiscapha sp. Knight 1942 snail