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Jefferson City, USA

Formation	Jefferson City
Age:	485 - 468 Ma Paleozoic
Interval	Tulean - Blackhillsian
Lithology	limestone
Number of Collections	20
Number of Occurrences	34

Recorded Sample Locations

Location	Region	Stratigraphic Name
2 1/3-3 miles north of Ava	Douglas County, Missouri, USA	Jefferson City
Dillon	Phelps County, Missouri, USA	Jefferson City
about 1 mile east of Buffalo	Dallas County, Missouri, USA	Jefferson City
just east of Dora on the road to West Plains	Ozark County, Missouri, USA	Jefferson City
on the hill west of Goodhope 10 miles south of Ava	Douglas County, Missouri, USA	Jefferson City
Spring Creek south of Isabella	Ozark County, Missouri, USA	Jefferson City
near Bolivar	Polk County, Missouri, USA	Jefferson City
2 miles south of Bolivar	Polk County, Missouri, USA	Jefferson City
2 miles northwest of Bradleyville	Taney County, Missouri, USA	Jefferson City
1 mile northeast of Witty	Douglas County, Missouri, USA	Jefferson City
Ulrich 281-b	Christian County, Missouri, USA	Jefferson City
2 miles west of Lutie	Ozark County, Missouri, USA	Jefferson City
1 mile west of Cabool	Texas County, Missouri, USA	Jefferson City
on the eastern side of Pomme de Terre River	Polk County, Missouri, USA	Jefferson City
Wichita uplift about 3 miles nortwest of Saddle Mountain	Kiowa County, Oklahoma, USA	Jefferson City
north of Wichita Mountains	Kiowa County, Oklahoma, USA	Jefferson City
50 yards north of US 60	Shannon County, Missouri, USA	Jefferson City
101-e. 1½ mile east of Buffalo	Dallas County, Missouri, USA	Jefferson City
6 miles west of Ava	Douglas County, Missouri, USA	Jefferson City

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Cotter	478 - 468 Ma Ordovician	dolomite, "limestone"	34
Jefferson City Dolomite	485 - 478 Ma Paleozoic	dolomite	4
Powell	478 - 468 Ma Ordovician		11

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Avaoceras elongatum species	7	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Avaoceras : *Avaoceras elongatum*	485.4 - 471.8 Ma Paleozoic
Avaoceras longidomum species	7	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Avaoceras : *Avaoceras longidomum*	485.4 - 471.8 Ma Paleozoic
Avaoceras magnisiphonatum species	7	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Avaoceras : *Avaoceras magnisiphonatum*	485.4 - 471.8 Ma Paleozoic
Cumberloceras elwayense species	7	Animalia : Mollusca : Cephalopoda : Ellesmeroceratidae : Cumberloceras : *Cumberloceras elwayense*	485.4 - 471.8 Ma Paleozoic
Diaphoroceras avaense species	7	Animalia : Mollusca : Cephalopoda : Bassleroceratidae : Diaphoroceras : *Diaphoroceras avaense*	485.4 - 471.8 Ma Paleozoic
Allopiloceras subrectum species	7	Animalia : Mollusca : Cephalopoda : Piloceratidae : Allopiloceras : *Allopiloceras subrectum*	485.4 - 468.1 Ma Paleozoic
Mcqueenoceras jeffersonense species	7	Animalia : Mollusca : Cephalopoda : Proterocameroceratidae : Mcqueenoceras : *Mcqueenoceras jeffersonense*	485.4 - 471.8 Ma Paleozoic
Endocycloceras subcurvatum species	7	Animalia : Mollusca : Cephalopoda : Protocycloceratidae : Endocycloceras : *Endocycloceras subcurvatum*	485.4 - 471.8 Ma Paleozoic
Aphetoceras subcostulatum species	7	Animalia : Mollusca : Cephalopoda : Estonioceratidae : Aphetoceras : *Aphetoceras subcostulatum*	485.4 - 471.8 Ma Paleozoic
Pycnoceras clausum species	7	Animalia : Mollusca : Cephalopoda : Estonioceratidae : Pycnoceras : *Pycnoceras clausum*	485.4 - 471.8 Ma Paleozoic
Pycnoceras rotundatum species	7	Animalia : Mollusca : Cephalopoda : Estonioceratidae : Pycnoceras : *Pycnoceras rotundatum*	485.4 - 471.8 Ma Paleozoic
Shumardoceras complanatum species	7	Animalia : Mollusca : Cephalopoda : Tarphycerida : Estonioceratidae : Shumardoceras : *Shumardoceras complanatum*	485.4 - 471.8 Ma Paleozoic
Shumardoceras fragile species	7	Animalia : Mollusca : Cephalopoda : Estonioceratidae : Shumardoceras : *Shumardoceras fragile*	485.4 - 471.8 Ma Paleozoic
Shumardoceras taneyense species	7	Animalia : Mollusca : Cephalopoda : Estonioceratidae : Shumardoceras : *Shumardoceras taneyense*	485.4 - 471.8 Ma Paleozoic
Wichitoceras chadwickense species	7	Animalia : Mollusca : Cephalopoda : Trocholitidae : Wichitoceras : *Wichitoceras chadwickense*	485.4 - 471.8 Ma Paleozoic
Wichitoceras crassum species	7	Animalia : Mollusca : Cephalopoda : Trocholitidae : Wichitoceras : *Wichitoceras crassum*	485.4 - 468.1 Ma Paleozoic
Wichitoceras decipiens species	7	Animalia : Mollusca : Cephalopoda : Trocholitidae : Wichitoceras : *Wichitoceras decipiens*	485.4 - 468.1 Ma Paleozoic
Eopteria richardsoni species	7	Animalia : Mollusca : Eopteriidae : Eopteria : *Eopteria richardsoni*	485.4 - 468.1 Ma Paleozoic

References

Ulrich E. O., Foerste A. F., et al (1942) Ozarkian and Canadian cephalopods, Part I: Nautilicones, Geological Society of America Special Papers 37, 1-157

Ulrich E. O., Foerste A. F., et al (1943) Ozarkian and Canadian cephalopods. Part II, Brevicones, Geological Society of America Special Papers 49, 1-240

Ulrich E. O., Foerste A. F., et al (1944) Ozarkian and Canadian cephalopods, longicones and summary, Geological Society of America Special Paper 58, 1-226

Pojeta J., Runnegar B. (1976) The paleontology of rostroconch mollusks and the early history of the phylum Mollusca, United States Geological Survey Professional Paper 968, 1-88

Wagner P. J. (2017) Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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