La Bocana Roja Formation Explained

La Bocana Roja Formation
Type:	Geological formation
Age:	Late Cretaceous, Cenomanian-Turonian ~
Period:	Cenomanian-Turonian
Region:	North America
Underlies:	Punta Baja Formation

La Bocana Roja Formation is a geological formation in Baja California, Mexico whose strata date back to the Late Cretaceous, specifically around the Cenomanian to Turonian.^[1] Dinosaur remains are among the fossils that have been recovered from the formation.^[2]

Vertebrate paleofauna

Vertebrates reported from the La Bocana Roja Formation
Genus	Species	Location	Member	Material	Notes	Images
Alexornis^[3]	A. antecedens			"Postcranial elements."^[4]
Hadrosauridae	Indeterminate			"bone fragments; humerus"^[5]
Labocania^[6]	L. anomala			"Very fragmentary skull and postcrania."^[7]
Lambeosaurinae	Indeterminate			"left ischium and fragment of left ilium, right jugal, dentary, radial fragment, scapula, ulna and fibula fragment, humerus, pedal ungual phalanx."	Probably belongs to one taxon.

See also

• List of dinosaur-bearing rock formations

References

• Hilton, Richard P. 2003. Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp.
• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .

Notes and References

1. Kane . I. A. . Hodgson . D. M. . Hubbard . S. M. . McArthur . A. D. . Poyatos-Moré . M. . Soutter . E. L. . Flint . S. S. . Matthews . W. . Deep-water Tectono-Stratigraphy at a Plate Boundary Constrained by Large N-Detrital Zircon and Micropaleontological Approaches: Peninsular Ranges Forearc, Baja California, Mexico . 10.2110/001c.37652 . The Sedimentary Record . 20 . 1 . 2022 . 59406495 .
2. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. .
3. "La Bocana Roja Formation." Weishampel, et al. (2004). Pg. 588. Also see "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 264
4. "Table 11.1," in Weishampel, et al. (2004). Page 212.
5. Ramírez-Velasco. A. A.. Hernández-Rivera. R.. 2015. Diversity of late cretaceous dinosaurs from Mexico. Boletín Geológico y Minero. 126. 1. 63–108.
6. "La Bocana Roja Formation." Weishampel, et al. (2004). Pg. 588. Also see "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 261
7. "Table 5.1," in Weishampel, et al. (2004). Page 114.