USGS 13769, Otter Creek (Permian of the United States)

Where: Cowley County, Kansas (37.2° N, 96.6° W: paleocoordinates 1.7° S, 28.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Legion Member (Grenola Formation), Asselian (298.9 - 295.5 Ma)

• bed-level stratigraphic resolution

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

• Shale, silty, calcareous, tan gray in lower part, gray in upper part; thin limestone lenses scattered throughout; brachiopods, pelecypods, and bryozoans in middle part; fossils most abundant in limestone lenses

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 12260: authorized by Arnold Miller, entered by Chad Ferguson on 16.10.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Bellerophontida - Bellerophontidae
"Knightites (Retispira) sp." = Retispira
"Knightites (Retispira) sp." = Retispira Knight 1945 snail
Bivalvia
 Cardiida - Kalenteridae
Permophorus subcostatus
Permophorus subcostatus Meek and Worthen 1866 clam
 Myalinida - Myalinidae
Septimyalina burmai
Septimyalina burmai Newell 1942 clam
 Pectinida - Aviculopectinidae
Aviculopecten arctisulcatus
Aviculopecten arctisulcatus Newell 1938 scallop
 Ostreida - Pinnidae
Aviculopinna sp., Aviculopinna cf. peracuta
Aviculopinna sp. Meek 1864 oyster
Aviculopinna cf. peracuta Shumard and Swallow 1858 oyster
Strophomenata
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
Stenolaemata
 Fenestrata -
Fenestrata indet.
Fenestrata indet. Elias and Condra 1957
Listed as Fenestrate Bryozoans