The first paleodietary interpretation of a hipparionin horse population from the middle Miocene El Camarón Formation (late early Barstovian, K-Ar dated 15.0 ± 0.8 to 16.7 ± 0.71 Ma) of Oaxaca, southeastern Mexico is presented. The species is formally referred…

Diagnostic remains of Deinosuchus have been discovered in the Aguja Formation (Late Cretaceous, late Campanian) near the town of La Salada (northwestern Coahuila, Mexico) and are described here for the first time. The material comprises six teeth and tooth fragments…

The abundance and distribution of ostracodes in the upper 865 cm of a sediment core recovered from Babícorapaleolake allows reconstruction of paleoecological conditions in the western Chihuahuan Desert by inferring variations in temperature and salinity of the lake water over…