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]

Contents

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

Chirostenotes

Hypacrosaurus[3]

Indeterminate[3]

Later referred to Lambeosaurus.

Euoplocephalus[4]

Indeterminate[4]

Lambeosaurus[5]

L. laticaudus[5]

"Isolated skull and posctranial elements."[6]

Saurornithoides

Saurornitholestes[7]

Indeterminate[7]

Troodon[7]

T. formosus[7]

Lepidosaurs

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

Paraglyphanodon[8]

Indeterminate[8]

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[9]

M. formosa[9]

Pediomys[3]

Indeterminate[3]

Stygimys[8]

Indeterminate[8]

See also

Footnotes

Earth sciences portal
Paleontology portal
Dinosaurs portal
  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. ^ a b c d e f g h "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.
  4. ^ a b 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. ^ a b Listed as "?Lambeosaurus laticaudus" in "4.5 Estado de Baja California Norte, Mexico; 1. El Gallo Formation," in Weishampel, et al. (2004). Pages 587-588.
  6. ^ "Table 20.1," in Weishampel, et al. (2004). Page 442.
  7. ^ a b c d "4.5 Estado de Baja California Norte, Mexico; 1. El Gallo Formation," in Weishampel, et al. (2004). Pages 587-588.
  8. ^ a b c d Listed as "cf. Paraglyphanodon" in "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.
  9. ^ a b Listed as "Mesodma cf. M. formosa" in "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16.

References