Английская Википедия:El Doctor Formation

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Шаблон:Infobox rockunit

The El Doctor Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Cenomanian stages of the Cretaceous period.[1]

Description

The light grey micritic limestone sequence with intercalated black chert lenses was deposited in an open marine basin with a hypersaline and/or poorly oxygenated bottom.[1]

Fossil content

The formation has provided the following fossils:[1][2]

Fish
Crustaceans

See also

References

Шаблон:Reflist

Bibliography

  1. 1,0 1,1 1,2 El Doctor Formation at Fossilworks.org
  2. Feldmann et al., 2007
  3. Fielitz & González Rodríguez, 2010
  4. 4,0 4,1 Hegna et al., 2014