| Citronelle Formation | |
|---|---|
| Stratigraphic range: Early Pliocene (late Hemphillian) ~5.3–4.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
| Type | Formation |
| Lithology | |
| Primary | sand and gravelly sand |
| Other | clay and sandy clay |
| Location | |
| Coordinates | 30°48′N 88°06′W / 30.8°N 88.1°W / 30.8; -88.1 |
| Approximate paleocoordinates | 31°00′N 86°24′W / 31.0°N 86.4°W / 31.0; -86.4 |
| Region | Alabama, Louisiana, Florida, Mississippi |
| Country |  United States |
| Type section | |
| Named for | Citronelle, Alabama |
| Named by | G. C. Matson |
  Citronelle Formation (the United States)Show map of the United States Citronelle Formation (Alabama)Show map of Alabama | |
The Citronelle Formation is a Hemphillian geologic formation in Alabama, Florida, Mississippi and Louisiana.
Fossil content
It preserves fossils of:
- Nannippus cf. lenticularis
- Neohipparion eurystyle
- Pomatodelphis inaequalis
- Synthetoceras cf. tricornatus
- Anomia taylorensis
- Cassidulus gouldii
- Chlamys chickaria
- Chlamys gainstownensis
- Chlamys glendonensis
- Chlamys mcquirti
- Kuphus incrassatus
- Pecten howei
- Caretta sp.
- Teleoceras sp.
- Trionyx sp.
- Camelidae indet.
- Cervidae indet.
- Scombroidei indet.
See also
- List of fossiliferous stratigraphic units in Alabama
- List of fossiliferous stratigraphic units in Louisiana
- Paleontology in Alabama
- Paleontology in Louisiana
- Alachua Formation
- Chagres Formation
- Goliad Formation
- Rattlesnake Formation
References
- ^ Otvos, E.G., 2004. Lithofacies and depositional environments of the Pliocene Citronelle Formation, Gulf of Mexico coastal plain. Southeastern Geology, 43, pp.1-20.
- ^ Matson, G.C., 1916. The Pliocene Citronelle Formation of the Gulf Coastal Plain. U.S. Geological Survey Professional Paper, 98, pp. 167- 192.
- Citronelle Formation at Fossilworks.org
Further reading
- E. M. Manning and B. J. MacFadden. 1989. Pliocene three-toed horses from Louisiana, with comments on the Citronelle Formation. Tulane Studies in Geology and Paleontology 22(2):35-46
- W. C. Isphording and G. M. Lamb. 1971. Age and origin of the Citronelle Formation in Alabama. Geological Society America Bulletin 82:775-780