Cottonwood Falls, 2.5 miles W on Highway 50S (Permian of the United States)

Also known as Kellett 68

Where: Kansas (38.4° N, 96.6° W: paleocoordinates 0.5° N, 26.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wreford Formation, Sakmarian (293.5 - 290.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, cherty/siliceous limestone and lithified shale

• Shale parts two limestones, the lower of which contains layers of chert

Size classes: mesofossils, microfossils

Primary reference: B. Kellett. 1933. Ostracodes of the Upper Pennsylvanian and the Lower Permian strata of Kansas: I. the Aparchitidae, Beyrichiidae, Glyptopleuridae, Kloedenellidae, Kirkbyiidae, and Youngiellidae. Journal of Paleontology 7(1):59-108 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95375: authorized by Matthew Clapham, entered by Matthew Clapham on 14.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Leperditellocopida - Scrobiculidae
"Amphissites simplicissimus" = Roundyella simplicissima
"Amphissites simplicissimus" = Roundyella simplicissima Knight 1928 ostracod
 Palaeocopida - Knightinidae
Knightina texana Harlton 1928 ostracod
 Palaeocopida - Amphissitidae
Amphissites centronotus Ulrich and Bassler 1906 ostracod
 Palaeocopida - Kirkbyidae
"Amphissites pinguis" = Shleesha pinguis
"Amphissites pinguis" = Shleesha pinguis Ulrich and Bassler 1906 ostracod
 Palaeocopida - Kellettinidae
"Ulrichia robusta" = Kellettina robusta
"Ulrichia robusta" = Kellettina robusta Kellett 1933 ostracod
 Podocopida - Healdiidae
Healdia winfieldensis2 Upson 1933 ostracod
 Podocopida - Bairdiidae
Bairdia hurwitzi3, "Bairdia florenaensis" = Orthobairdia texana1
Bairdia hurwitzi3 Coryell and Booth 1933 ostracod
"Bairdia florenaensis" = Orthobairdia texana1 Harlton 1927 ostracod
3 small, 14 large