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Olmos Formation

The Olmos Formation is a geologic formation in Mexico. It preserves fossils of plants, hadrosaurs like Kritosaurus, ceratopsians, tyrannosaurs and the turtle Palauchelys montellanoi dating back to the Cretaceous period.

Last revised
Jul 26, 2026
Read time
≈ 1 min
Length
315 w
Citations
7
Source
Olmos Formation
Stratigraphic range: Late Campanian-Early Maastrichtian
TypeFormation
Location
RegionCoahuila, Texas
CountryMexico, United States
Olmos Formation stratigraphic column in Texas source ↗

The Olmos Formation is a geologic formation in Mexico. It preserves fossils of plants, hadrosaurs like Kritosaurus,1 ceratopsians, tyrannosaurs and the turtle Palauchelys montellanoi dating back to the Cretaceous period.234567


See also

See also

References

References

  1. Lucas, Spencer G.; Sullivan, Robert M. (2006). Late Cretaceous Vertebrates from the Western Interior: Bulletin 35. New Mexico Museum of Natural History and Science. p. 273.
  2. Estrada-Ruiz, Emilio; Martinez Cabrera, Hugo I.; RS Cevallos-Ferriz, Sergio (June 2007). "Fossil woods from the late Campanian–early Maastrichtian Olmos Formation, Coahuila, Mexico". Review of Palaeobotany and Palynology. 145 (1): 123–133. doi:10.1016/j.revpalbo.2006.09.003.
  3. Upchurch, G. R.; Estrada-Ruiz, E.; Cevallos-Ferriz, S. S. (December 2008). "Did tropical rainforest vegetation exist during the Late Cretaceous? New data from the late Campanian to early Maastrichtian Olmos Formation, Coahuila, Mexico". American Geophysical Union, Fall Meeting. 2008: 11D–07. Bibcode:2008AGUFMPP11D..07U.
  4. Estrada-Ruiz, E.; Martínez-Cabrera, H.I.; Cevallos-Ferriz, S.R. (July 2010). "Upper Cretaceous woods from the Olmos Formation (late Campanian-early Maastrichtian), Coahuila, Mexico". American Journal of Botany. 97 (7): 1179–94. doi:10.3732/ajb.0900234. PMID 21616869.
  5. Alejandro Ramírez Velasco, Angel; Hernandez Rivera, Rene; Servin-Pichardo, Ricardo (January 2014). "The Hadrosaurian Record from Mexico". HADROSAURS, Chapter: Biogeography and Biostratigraphy: 340–360.
  6. Gerardo Porras-Muzquiz, Hector; Lehman, Thomas M. (August 2011). "A ceratopsian horncore from the Olmos Formation (early Maastrichtian) near Múzquiz, Mexico". Revista Mexicana de Ciencias Geológicas. 28 (2): 262–266.
  7. Ramírez-Velasco, A. A; Hernández-Rivera, R. (2015). "Diversity of Late Cretaceous dinosaurs from Mexico". Boletín Geológico y Minero. 126 (1): 63–108. Retrieved 28 September 2016.

7. Oliver A. López-Conde, Adán Pérez-García, María L. Chavarría-Arellano, Jesús Alvarado-Ortega, A new bothremydid turtle (Pleurodira) from the Olmos Formation (upper Campanian) of Coahuila, Mexico, Cretaceous Research, Volume 119.

External links