Bashi Formation
Geologic formation in Alabama and Mississippi
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 | ![]() ![]() 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
- 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
- Physogaleus 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
References
- ^ a b Bashi Formation at Fossilworks.org
- ^ a b Parmley & Case, 1988
- ^ Case & Leggett, 1999
- ^ 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