Also known as Tarkio limestone member, Zeandale limestone formation
Where: Pottawatomie County, Kansas (39.5° N, 96.2° W: paleocoordinates 1.3° S, 27.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tarkio Limestone Member (Zeandale Limestone Formation), Noginskian (301.2 - 300.1 Ma)
• Noginskian is equivalent to the Virgilian stage
Environment/lithology: marine; limestone
Size class: macrofossils
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 11494: authorized by Arnold Miller, entered by Chad Ferguson on 17.08.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Chondrichthyes | |
"cf. Ctenoptychius occidentalis" = Belantsea occidentalis
"cf. Ctenoptychius occidentalis" = Belantsea occidentalis St. John and Worthen 1875 chimaera | |
Bivalvia | |
Myalina (Orthomyalina) subquadrata Shumard 1855 clam | |
"Allorisma terminale" = Wilkingia terminale
"Allorisma terminale" = Wilkingia terminale Hall 1852 clam | |
Permophorus sp. Chavan 1954 clam | |
Gastropoda | |
"Naticopsis subovata" = Marmolatella subovata
"Naticopsis subovata" = Marmolatella subovata Meek and Worthen 1873 snail | |
"Knightites (Retispira) sp." = Retispira
"Knightites (Retispira) sp." = Retispira Knight 1945 snail | |
Araeonema sp. Knight 1933 snail | |
Glabrocingulum sp. Thomas 1940 snail | |
Rhynchonellata | |
Composita cf. subtilita Hall 1852 |