DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.14
DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.15

Cambrian Hyolithids (Hyolitha) from San José de Gracia, Sonora, Mexico. Stratigraphic and paleogeographic considerations

Blanca Buitrón-Sánchez, Francisco Cuen-Romero, Adrián Huerta-Ruiz, Alejandra Montijo-González

25-34

DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.16

Chapolapa Formation: The Triassic that was not

María Fernanda Campa Uranga, Carlos Uriel García Hernández, Blanca Buitrón-Sánchez, Rafael Torres de León

35-42

DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.17
DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.18
DOI: https://doi.org/10.22201/igl.05437652e.2017.6.1.19