El Gallo Formation

El Gallo Formation
Stratigraphic range: Late Cretaceous
Type Geological formation
Location
Region North America

The El Gallo Formation is a geological formation in Mexico whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Vertebrate paleofauna

Crurotarsans

Crurotarsans of the El Gallo Formation
Genus Species Location Member Abundance Notes

Brachychampsa

[2]

Leidyosuchus

Dinosaurs

Dinosaur eggs are known from the formation.[3] Alexornis antecedens actually comes from the La Bocana Roja Formation.

Dinosaurs of the El Gallo Formation
Genus Species Location Member Abundance Notes Images

Ankylosauridae[4]

Indeterminate[4]

Lambeosaurus[5]

L. laticaudus[5]

Magnapaulia

M. laticaudus

Saurornitholestes[6]

Indeterminate[6]

Troodon[6]

T. formosus[6]

Lepidosaurs

Lepidosaurs of the El Gallo Formation
Genus Species Location Member Abundance Notes

Paraglyphanodon[7]

Indeterminate[7]

Probably a juvenile Polyglyphanodon.[3]

Polyglyphanodon[3]

P. bajaensis[3]

Mammals

Mammals of the El Gallo Formation
Genus Species Location Stratigraphic position Abundance Notes

Mesodma[8]

M. formosa[8]

Pediomys[3]

Indeterminate[3]

Stygimys[7]

Indeterminate[7]

See also

Footnotes

  1. "El Gallo Formation." Weishampel, et al. (2004). Pg. 587-8.
  2. "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 277
  3. 1 2 3 4 5 6 "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.
  4. 1 2 Listed as "cf. Euoplocephalus sp." in "4.5 Estado de Baja California Norte, Mexico; 1. El Gallo Formation," in Weishampel, et al. (2004). Pages 587-588.
  5. 1 2 "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 260
  6. 1 2 3 4 "4.5 Estado de Baja California Norte, Mexico; 1. El Gallo Formation," in Weishampel, et al. (2004). Pages 587-588.
  7. 1 2 3 4 Listed as "cf. Paraglyphanodon" in "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.
  8. 1 2 Listed as "Mesodma cf. M. formosa" in "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.

References


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