| Kimmswick Limestone | |
| Type: | Formation |
| Age: | Sandbian-Katian (Trentonian-Shermanian) ~ |
| Period: | Katian |
| Prilithology: | Limestone |
| Otherlithology: | Sandstone, dolomite |
| Namedfor: | Kimmswick, Jefferson County, Missouri[1] |
| Namedby: | Edward Oscar Ulrich |
| Year Ts: | 1904[2] |
| Region: | Arkansas, Illinois, Missouri |
| Coordinates: | 39.2°N -90.8°W |
| Paleocoordinates: | -23.1°N -66°W |
| Underlies: | Cape Limestone, Maquoketa Group or the Fernvale Limestone in Arkansas |
| Overlies: | Decorah Shale or Plattin Limestone |
The Kimmswick Limestone is an Ordovician geologic formation in Arkansas, Illinois and Missouri. Fossils occurring in the Kimmswick include corals, bryozoans, brachiopods, conodonts, trilobites, crinoids and mollusks.[3]
The following fossils have been reported from the formation:[4]
A. unicostatus[5]
A. alveolaris[5]
A. elegans[5]
A. pulcher[5]
A. triangularis[5]
A. abrupta[5]
A. polita[5]
B. compressa[5]
C. delicatus[5]
C. flexuosus[5]
D. brevis[5]
D. scotti[5]
D. typica[5]
D. falcatus[5]
D. homocurvatus[5]
D. suberectus[5]
E. delicata[5]
I. superba[5]
K. gracilis[5]
O. abundans[5]
O. inclinatus[5]
O. parallelus[5]
O. concinna[5]
P. compressus[5]
P. ellisoni[5]
P. fornicalis[5]
P. gracilis[5]
P. simplex[5]
P. undatus[5]
P. furcata[5]
R. divaricatus[5]
R. typicus[5]
S. robustus[5]
S. insculptus[5]
T. superbus[5]
T. exacta[5]
Z. curvata[5]
Z. mira[5]
E. slocomi[6]