Cover Image:
Mandible of a bison collected from an underwater sump from Calera cave system (Sierra de El Abra, Mexico), where a large assemblage of fossilized bones was noticed. Photo by Michael Sandone. See related article by Espinasa-Pereña et al. in this issue. DOI: http://dx.doi.org/10.22201/igc.20072902e.2024.3.1828