USGS 13539, Onaga (Permian of the United States)

Where: Pottawatomie County, Kansas (39.4° N, 96.1° W: paleocoordinates 0.0° S, 26.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Florena Member (Beattie Formation), Asselian (298.9 - 295.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, calcareous siltstone

• Shale, silty, calcareous, gray to light-gray, calcareous lens in middle part; fragments of celestite cover upper surface; brachiopods abundant in lower part

Size class: macrofossils

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: taxonomic analysis

PaleoDB collection 12430: authorized by Arnold Miller, entered by Chad Ferguson on 13.11.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Fusulinoidea - Fusulinidae
Fusulinidae indet. Moeller 1878
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Craniata
 Craniida - Craniidae
Petrocrania modesta White and St. John 1867
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
Strophomenata
 Strophomenida - Rugosochonetidae
"Chonetes granulifer" = Neochonetes granulifer
"Chonetes granulifer" = Neochonetes granulifer Owen 1852
 Productida - Productidae
"Dictyoclostus huecoensis" = Reticulatia huecoensis
"Dictyoclostus huecoensis" = Reticulatia huecoensis King 1931
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
Listed as Ramose Bryozoans [entered as "Terpostomata"]