Lower Cambrian ichnofossils from San Jose de Gracia, Sonora

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Published: Jul 1, 2016
DOI: https://doi.org/10.22201/igl.05437652e.2016.5.1.202
Keywords:
ichnofossils, Lower Cambrian, Sonora, Mexico

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Blanca Buitrón-Sánchez
Institute of Geology, National Autonomous University of Mexico, Mexico City, 04510, Mexico.
Nictzia Corona-González
Faculty of Engineering, National Autonomous University of Mexico, Mexico City, 04510, Mexico.
Francisco Cuen-Romero
Universidad de Sonora, Department of Geology, Hermosillo, Sonora, 83000, Mexico.
Juan José Palafox-Reyes
Universidad de Sonora, Department of Geology, Hermosillo, Sonora, 83000, Mexico.
Greta Ramírez-Guerrero
Faculty of Sciences, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico.

Abstract

This work describes the ichnofossils Skolithos isp., Arenicolites isp., Palaeophycus isp., Asteriacites isp. and Asterosoma isp. found in bioturbated sandstone layers from the Lower Cambrian in Chihuarruita hill, located in the region of San José de Gracia, Sonora. The organism association that produced the ichnites was developed in benthic, shallow marine environments with abundant nutrients that led to a high diversity of different taxa in the Early Cambrian in central Sonora. The distribution of the Cambrian biota of San José de Gracia, including those trace fossils, indicates that there was a wide faunal province comprising several locations in Mexico (Caborca, Ures), in the United States of America (Idaho, Utah, California), in Europe (Italy), Asia (India, Pakistan), and Tasmania, that belonged to the Panthalassic Ocean.

Article Details

How to Cite
Buitrón-Sánchez, B., Corona-González, N., Cuen-Romero, F., Palafox-Reyes, J. J., & Ramírez-Guerrero, G. (2016). Lower Cambrian ichnofossils from San Jose de Gracia, Sonora. Paleontología Mexicana, 5(1), 33–40. https://doi.org/10.22201/igl.05437652e.2016.5.1.202
Issue
Vol. 5 No. 1 (2016): Paleontología Mexicana
Section
Palaeozoology
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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