Duck Creek Formation

The Duck Creek Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.

Duck Creek Formation
Stratigraphic range: Cretaceous
Ammonites from the Duck Creek Formation
TypeFormation
Unit ofWashita Group
Location
RegionTexas
CountryUnited States

Invertebrate Paleofauna

Gryphaea sp. from the Cretaceous of Texas; left valve interior and exterior (same specimen).
E. marcianus
E. laevicanaliculatum
A Mortoniceras specimen from South Africa.
M. equidistans
M. fortworthens
  • Idohamites fredmonti
  • Macraster

Vertebrate Paleofauna

A complete Xiphactinus specimen from the central United States.
gollark: And I can't see why people go around doing gambling and failing to understand basic statistics and probability, and yet.
gollark: No, they buy things because they (think they (should)) value them for some reason, which is not the same thing.
gollark: Fungible basically means that you can have multiple interchangeable units of a thing. Currencies are fungible because all "£5 notes" are worth £5 and it doesn't matter much which unit you have.
gollark: Basically, a cryptocurrency-based token which says that you "own" a thing.
gollark: It's a nonfungible token.

See also

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.