Bashi Formation

Bashi Formation
Stratigraphic range: Ypresian (Wasatchian) ~55–50  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Formation
Lithology
Primary	Marl
Location
Coordinates	32°24′N88°42′W / 32.4°N 88.7°W / 32.4; -88.7
Approximate paleocoordinates	34°30′N74°06′W / 34.5°N 74.1°W / 34.5; -74.1
Region	Alabama, Mississippi
Country	United States
Bashi Formation (the United States) Show map of the United States Bashi Formation (Mississippi) Show map of Mississippi

The Bashi Formation is a geologic formation in Alabama and Mississippi. It is named for Bashi Creek in northern Clarke County, Alabama, which cuts through some of its exposures. It preserves fossils dating back to the Eocene period, or Wasatchian in the NALMA classification. ^[1]

Fossil content

The following fossils have been reported from the formation: ^[1]

Reptiles

• Palaeophis cf. littoralis ^[2]
• Palaeophis virginianus ^[2]

Fish ^{[3] [4]}

• Coupatezia woutersi
• Dasyatis tricuspidatus
• Myliobatis dixoni
• Archaeomanta melenhorsti
• Burnhamia daviesi
• Burnhamia fetahi
• Meridiania convexa
• Platyrhina dockeryi
• Rhinobatos sp.
• Eotorpedo jaeckeli
• Striatolamia macrota
• Anomotodon sp.
• Cretolamna aschersoni
• Cretolamna lerichei
• Odontaspis borodini
• Odontaspis speyeri
• Odontaspis winkleri
• Pseudodontaspis lauderdalensis
• Brachycarcharias mississippiensis
• Physogaleus americanus & tertius
• Abdounia subulidens
• Abdounia beaugei
• Galeus sp.
• Microscyliorhinus leggetti
• Scyliorhinus gilberti
• Galeorhinus affini
• Galeorhinus minor
• Heterodontus sowasheense
• Ginglymostoma subafricanum
• Nebrius thielensis
• Conger meridies

See also

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

References

1. Bashi Formation at Fossilworks.org
2. Parmley & Case, 1988
3. Case & Leggett, 1999
4. Case, 1994

Bibliography

• Case, G. R.; Leggett, J. J. (1999), "Cretolamna cf. C. aschersoni (Stromer) (Neoselachii: Cretoxyrhinidae),from the Late Paleocene/Early Eocene of Mississippi, USA, with Comparisons to Moroccan Fauna", The Mosasaur - the Journal of the DVPS , 6: 25–28
• Case, G. R (1994), "Fossil fish remains from the Late Paleocene Tuscahoma and Early Eocene Bashi Formations of Meridian, Lauderdale County, Mississippi, Part I. Selachians", Palaeontographica Abteilung A , 230 (4–6): 97–138, Bibcode:1994PalAA.230...97C, doi:10.1127/pala/230/1994/97
• Parmley, D.; Case, G. R. (1988), "Palaeopheid snakes from the Gulf Coastal region of North America", Journal of Vertebrate Paleontology , 8 (3): 334–339, Bibcode:1988JVPal...8..334P, doi:10.1080/02724634.1988.10011717