Kimmswick Limestone
| Kimmswick Limestone | |
|---|---|
| Stratigraphic range: Sandbian-Katian (Trentonian-Shermanian) ~458–446 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
 Fossil from the Kimmswick Limestone (Missouri) | |
| Type | Formation |
| Underlies | Cape Limestone, Maquoketa Group[1] or the Fernvale Limestone in Arkansas[2] |
| Overlies | Decorah Shale[1] or Plattin Limestone[2] |
| Lithology | |
| Primary | Limestone |
| Other | Sandstone, dolomite[2] |
| Location | |
| Coordinates |   Kimmswick Limestone (the United States) Show map of the United States Kimmswick Limestone (Missouri) Show map of Missouri |
The Kimmswick Limestone is an Ordovician geologic formation in Arkansas, Illinois and Missouri. Fossils occurring in the Kimmswick include corals, bryozoans, brachiopods, conodonts,[4] trilobites, crinoids and mollusks.[2]
Fossil content
The following fossils have been reported from the formation:[5]
Conodonts
- A. unicostatus[4]
- Acontiodus
- A. alveolaris[4]
- Ambalodus
- Aphelognathus
- Belodina
- B. compressa[4]
- Dichognathus
- Distacodus
- D. falcatus[4]
- Drepanodus
- Eoligonodina
- E. delicata[4]
- Icriodella
- I. superba[4]
- Keislognathus
- K. gracilis[4]
- Oistodus
- O. concinna[4]
- Phragmodus
- P. undatus[4]
- Prioniodina
- P. furcata[4]
- Rhynchognathodus
- Sagittodontus
- S. robustus[4]
- Scolopodus
- S. insculptus[4]
- Tetraprioniodus
- T. superbus[4]
- Trichonodella
- T. exacta[4]
- Zygognathus
Trilobites
- Eobronteus
- E. slocomi[6]
See also
References
- ^ a b c Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 153
- ^ a b c d "Arkansas Geologic Survey". Archived from the original on 2014-07-14. Retrieved 2014-08-11.
- ^ Ulrich, E. (1904). "The quarrying industry of Missouri". Missouri Bureau of Geology and Mines. 2nd Series. 2: 111.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am Craig, William (1968). The stratigraphy and conodont paleontology of Ordovician and Silurian strata, Batesville district, Independence and Izard counties, Arkansas (PhD). The University of Texas.
- ^ Kimmswick Limestone at Fossilworks.org
- ^ Sinclair, G. Winston (1949). "The Ordovician trilobite Eobronteus". Journal of Paleontology. 23 (1): 48–50, pls. 12, 13.
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