# Fernvale Limestone

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Geologic formation in Alabama, Arkansas, Illinois, Missouri, Oklahoma and Tennessee

Fernvale Limestone Stratigraphic range: Ordovician Type Formation Underlies Cason Shale Overlies Kimmswick Limestone Thickness 0 to 100+ feet in Arkansas[1] Lithology Primary Limestone Location Region Arkansas, Tennessee Country United States Type section Named by Charles Willard Hayes and Edward Oscar Ulrich[2]

The **Fernvale Limestone** is a [geologic formation](/source/Formation_(geology)) in [Alabama](/source/Alabama), [Arkansas](/source/Arkansas), [Illinois](/source/Illinois), [Missouri](/source/Missouri), [Oklahoma](/source/Oklahoma), and [Tennessee](/source/Tennessee).[1] It preserves [fossils](/source/Fossils) dating back to the [Ordovician](/source/Ordovician) [period](/source/Period_(geology)).

## Paleontology

### [Brachiopods](/source/Brachiopod)

- *[Lepidocyclus](https://en.wikipedia.org/w/index.php?title=Lepidocyclus&action=edit&redlink=1)*

- *L. cooperi*[3]

- *L. oblongus*[3]

### [Conodonts](/source/Conodont)

Acodus A. unicostatus[4] Acontiodus A. alveolaris[4] Ambalodus A. triangularis[4] Amorphognatus A. ordovicica[4] Aphelognathus A. polita[4] Belodina B. compressa[4] B. inclinata[4] B. ornata[4] B. penna[4] B. profunda[4] Cordylodus C. delicatus[4] C. flexuosus[4] Dichognathus D. brevis[4] D. scotti[4] D. typica[4] Distacodus D. falcatus[4] Drepanodus D. homocurvatus[4] D. suberectus[4] Eoligonodina E. delicata[4] Icriodella I. superba[4] Keislognathus K. gracilis[4] Oistodus O. abundans[4] O. inclinatus[4] O. parallelus[4] O. venustus[4] Ozarkodina O. inclinata[4] O. tenuis[4] Paltodus P. trigonius[4] Panderodus P. compressus[4] P. ellisoni[4] P. fornicalis[4] P. gracilis[4] P. homosimilaris[4] P. panderi[4] P. simplex[4] P. sulcatus[4] Phragmodus P. undatus[4] Prioniodina P. furcata[4] Rhynchognathodus R. divaricatus[4] R. typicus[4] Sagittodontus S. robustus[4] Scolopodus S. insculptus[4] Trichonodella T. exacta[4] T. diminuta[4] T. tenuis[4] Zygognathus Z. curvata[4] Z. mira[4]

## See also

- [Earth sciences portal](https://en.wikipedia.org/wiki/Portal:Earth_sciences)
- [United States portal](https://en.wikipedia.org/wiki/Portal:United_States)
- [Paleontology portal](https://en.wikipedia.org/wiki/Portal:Paleontology)

- [List of fossiliferous stratigraphic units in Arkansas](/source/List_of_fossiliferous_stratigraphic_units_in_Arkansas)

- [List of fossiliferous stratigraphic units in Tennessee](/source/List_of_fossiliferous_stratigraphic_units_in_Tennessee)

- [Paleontology in Arkansas](/source/Paleontology_in_Arkansas)

- [Paleontology in Tennessee](/source/Paleontology_in_Tennessee)

## References

1. ^ [***a***](#cite_ref-McFarland_1-0) [***b***](#cite_ref-McFarland_1-1) McFarland, John David (2004) [1998]. ["Stratigraphic summary of Arkansas"](https://web.archive.org/web/20161221195953/http://www.geology.ar.gov/pdf/IC-36_v.pdf) (PDF). *Arkansas Geological Commission Information Circular*. **36**: 6–7. Archived from [the original](http://geology.ar.gov/pdf/IC-36_v.pdf) (PDF) on 2016-12-21. Retrieved 2018-01-11.

1. **[^](#cite_ref-2)** Hayes, C.W.; Ulrich, E.O. (1903). ["Description of the Columbia quadrangle"](https://pubs.usgs.gov/gf/095/text.pdf) (PDF). *U.S. Geological Survey Geologic Atlas of the United States*. **95**: 2.

1. ^ [***a***](#cite_ref-Amsden_3-0) [***b***](#cite_ref-Amsden_3-1) Amsden, Thomas W. (1983). ["The Late Ordovician brachiopod genera Lepidocyclus and Hiscobeccus"](http://ogs.ou.edu/docs/bulletins/B132.pdf) (PDF). *Oklahoma Geological Survey Bulletin*. **132**: 36–44, 52–59 (plates). Retrieved 4 February 2018.

1. ^ [***a***](#cite_ref-Craig_4-0) [***b***](#cite_ref-Craig_4-1) [***c***](#cite_ref-Craig_4-2) [***d***](#cite_ref-Craig_4-3) [***e***](#cite_ref-Craig_4-4) [***f***](#cite_ref-Craig_4-5) [***g***](#cite_ref-Craig_4-6) [***h***](#cite_ref-Craig_4-7) [***i***](#cite_ref-Craig_4-8) [***j***](#cite_ref-Craig_4-9) [***k***](#cite_ref-Craig_4-10) [***l***](#cite_ref-Craig_4-11) [***m***](#cite_ref-Craig_4-12) [***n***](#cite_ref-Craig_4-13) [***o***](#cite_ref-Craig_4-14) [***p***](#cite_ref-Craig_4-15) [***q***](#cite_ref-Craig_4-16) [***r***](#cite_ref-Craig_4-17) [***s***](#cite_ref-Craig_4-18) [***t***](#cite_ref-Craig_4-19) [***u***](#cite_ref-Craig_4-20) [***v***](#cite_ref-Craig_4-21) [***w***](#cite_ref-Craig_4-22) [***x***](#cite_ref-Craig_4-23) [***y***](#cite_ref-Craig_4-24) [***z***](#cite_ref-Craig_4-25) [***aa***](#cite_ref-Craig_4-26) [***ab***](#cite_ref-Craig_4-27) [***ac***](#cite_ref-Craig_4-28) [***ad***](#cite_ref-Craig_4-29) [***ae***](#cite_ref-Craig_4-30) [***af***](#cite_ref-Craig_4-31) [***ag***](#cite_ref-Craig_4-32) [***ah***](#cite_ref-Craig_4-33) [***ai***](#cite_ref-Craig_4-34) [***aj***](#cite_ref-Craig_4-35) [***ak***](#cite_ref-Craig_4-36) [***al***](#cite_ref-Craig_4-37) [***am***](#cite_ref-Craig_4-38) [***an***](#cite_ref-Craig_4-39) [***ao***](#cite_ref-Craig_4-40) [***ap***](#cite_ref-Craig_4-41) [***aq***](#cite_ref-Craig_4-42) [***ar***](#cite_ref-Craig_4-43) [***as***](#cite_ref-Craig_4-44) [***at***](#cite_ref-Craig_4-45) [***au***](#cite_ref-Craig_4-46) 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.

- Various Contributors to the Paleobiology Database. ["Fossilworks: Gateway to the Paleobiology Database"](https://www.fossilworks.org). [Archived](https://web.archive.org/web/20220325060448/http://www.fossilworks.org/cgi-bin/bridge.pl?action=home) from the original on 25 March 2022. Retrieved 17 December 2021.

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