El Doctor Formation
| El Doctor Formation | ||
|---|---|---|
Ma | ||
| Type | Approximate paleocoordinates 18°54′N 64°30′W / 18.9°N 64.5°W | |
| Region | Hidalgo | |
| Country |  Mexico | |
  El Doctor Formation (Mexico)  El Doctor Formation (Hidalgo) | ||
The El Doctor Formation is a
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
- ^ a b c El Doctor Formation at Fossilworks.org
- ^ Feldmann et al., 2007
- ^ Fielitz & González Rodríguez, 2010
- ^ a b Hegna et al., 2014
Bibliography
- Hegna, T. A.; F. J. Vega, and K. A. González Rodríguez. 2014. First Mesozoic thylacocephalans (Arthropoda, Crustacea; Cretaceous) in the western hemisphere: new discoveries from the Muhi Quarry Lagerstätte. Journal of Paleontology 88. 606–616. .
- Fielitz, C., and K. A. González Rodríguez. 2010. A New Species of Enchodus (Aulopiformes: Enchodontidae) from the Cretaceous (Albian to Cenomanian) of Zimapán, Hidalgo, México. Journal of Vertebrate Paleontology 30. 1343–1351. .
- Feldmann, R. M.; F. J. Vega; L. Martínez López; K. A. González Rodrigues; O. González León, and M. Rosario Fernández-Barajas. 2007. Crustacea from the Muhi Quarry (Albian-Cenomanian), and a review of Aptian Mecochiridae (Astacidea) From Mexico. Annals of Carnegie Museum 76. 145–156. .