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Little Oak, Alabama, USA

Formation	Little Oak
Age:	461 - 450 Ma Ordovician
Interval	Chazyan
Lithology	limestone
Number of Collections	6
Number of Occurrences	17

Recorded Sample Locations

Location	Region	Stratigraphic Name
0.5 miles north of Pelham	Shelby County, Alabama, USA	Little Oak
Quarry 2 miles north of Pelham	Shelby County, Alabama, USA	Little Oak
1.75 miles northeast of New Hope Church	Jefferson County, Alabama, USA	Little Oak
0.5 miles northeast of Pelham	Shelby County, Alabama, USA	Little Oak
Hills east of Leeds	St. Clair County, Alabama, USA	Little Oak
Lock 3	Calhoun County, Alabama, USA	Little Oak

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Zygospira matutina species	7	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Anazygidae : Zygospira : *Zygospira matutina*	460.9 - 449.5 Ma Ordovician
Glyptorthis crispa species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Glyptorthidae : Glyptorthis : *Glyptorthis crispa*	460.9 - 449.5 Ma Ordovician
Paurorthis fasciculata species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Paurorthidae : Paurorthis : *Paurorthis fasciculata*	460.9 - 449.5 Ma Ordovician
Eremotoechia alabamensis species	7	Animalia : Brachiopoda : Strophomenata : Billingsellida : Polytoechiidae : Eremotoechia : *Eremotoechia alabamensis*	468.1 - 460.9 Ma Middle Ordovician
Bimuria buttsi species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Bimuriidae : Bimuria : *Bimuria buttsi*	460.9 - 449.5 Ma Ordovician
Leptellina tennesseensis species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptellinidae : Leptellina : *Leptellina tennesseensis*	468.1 - 460.9 Ma Middle Ordovician
Dactylogonia geniculata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Dactylogonia : *Dactylogonia geniculata*	460.9 - 449.5 Ma Ordovician
Tetranota obsoleta species	7	Animalia : Mollusca : Gastropoda : Bucaniidae : Tetranota : *Tetranota obsoleta*	468.1 - 460.9 Ma Middle Ordovician
Alaskadiscus subacutus species	7	Animalia : Mollusca : Gastropoda : Bellerophontida : Temnodiscidae : Alaskodiscus : *Alaskadiscus subacutus*	468.1 - 460.9 Ma Middle Ordovician
Maclurites sp. genus	6	Animalia : Mollusca : Gastropoda : Maclureadae : *Maclurites*	468.1 - 460.9 Ma Middle Ordovician
Raphistoma pelhamensis species	7	Animalia : Mollusca : Gastropoda : Raphistomatidae : Raphistoma : *Raphistoma pelhamensis*	468.1 - 460.9 Ma Middle Ordovician
Clathrospira euconica species	7	Animalia : Mollusca : Gastropoda : Murchisoniina : Eotomariidae : Clathrospira : *Clathrospira euconica*	468.1 - 460.9 Ma Middle Ordovician
Pojetaconcha alabamensis species	7	Animalia : Mollusca : Rostroconchia : Conocardiida : Bransoniidae : Pojetaconcha : *Pojetaconcha alabamensis*	460.9 - 449.5 Ma Ordovician
Eopteria conocardiformis species	7	Animalia : Mollusca : Eopteriidae : Eopteria : *Eopteria conocardiformis*	460.9 - 449.5 Ma Ordovician

References

Butts C. (1926) The Paleozoic rocks, Geological Survey Alabama, Special Report 14, 41-230

Cooper G. A. (1956) Chazyan and related brachiopods, Smithsonian Miscellaneous Collections 127, 1-1245

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

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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