Saratoga Chalk

Saratoga Chalk
Stratigraphic range: Cretaceous
Fossils from the Saratoga Chalk
Type	Formation
Underlies	Nacatoch Formation
Overlies	Marlbrook Formation
Thickness	20 to 70 feet[1]
Location
Region	Arkansas
Country	United States
Type section
Named by	John Casper Branner[2]

The Saratoga Chalk is a geologic formation in Arkansas.[1] It preserves fossils dating back to the Cretaceous period, specifically ammonites.[3]

Paleofauna

Ammonites

• Baculites

B. ovatus[4]

B. undatus[4]

• Didymoceras

D. navarroense[4]

• Gaudryceras[4]
• Hoploscaphites

H. pumilis[4]

• Jeletzkytes

J. nodosus[4]

• Lewyites

L. oronensis[4]

• Nostoceras

N. approximans[4]

N. colubriformis[4]

N. draconis[4]

N. helicinum[4]

N. hyatti[4]

N. pauper[4]

• Pachydiscus

P. arkansanus[4]

• Pseudokossmaticeras

P. galicianum[4]

• Solenoceras[4]

See also

• List of fossiliferous stratigraphic units in Arkansas
• Paleontology in Arkansas

References

1. McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 30.
2. Branner, J.C. (1898). "The cement-materials of southwest Arkansas". Transactions of the American Institute of Mining Engineers. 27: 52–59.
3. Kennedy, W. J.; Cobban, W. A. (May 1993). "Ammonites from the Saratoga Chalk (Upper Cretaceous), Arkansas". Journal of Paleontology. 67 (3): 404–434. doi:10.1017/s002233600003688x. ISSN 0022-3360.
4. Kennedy, W. J.; Cobban, W. A. (1993). "Ammonites from the Saratoga Chalk (Upper Cretaceous), Arkansas". Journal of Paleontology. 67 (3): 404–434.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.