The Kokomo Formation is a

geologic formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...

Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...

. It preserves

fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

dating back to the

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozoi ...

period, most notably sea scorpions.

List of Known Taxa

Eurypterids

* ''Carcinosoma newlini'' * ''Kokomopterus longicaudatus''''Morphology, Taxonomy, and Classification of the Order Eurypterida Burmeister, 1843 V. P. Tollerton, Jr. Journal of Paleontology Vol. 63, No. 5 (Sep., 1989), pp. 642-657'' * ''Erieopterus limuloides''''Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 16.0 http://www.wsc.nmbe.ch/resources/fossils/Fossils16.0.pdf (PDF).'' * ''Erieopterus ranilarva'' * ''Onychopterella kokomensis'''''' * ''Leperditia ohioensis''

Brachiopods

* ''

Lingula Lingula is Latin for "little tongue". It can stand for: * ''Lingula'' (brachiopod), a brachiopod genus of the family Lingulidae, which is among the few brachiopods surviving today but also known from fossils over 500 million years old * Lingala la ...

'' sp. * ''Pentamerus divergens'' * ''Schuchertella interstriata''

Cnidarians

* ''Halysites ''

References

Sources