Paucituberculata Magdalenabradys List of prehistoric mammals Friasian Cerro Bandera Formation Río Frías Formation Colhuehuapian 2022 in paleomammalogy
Paucituberculata Magdalenabradys List of prehistoric mammals Friasian Cerro Bandera Formation Río Frías Formation Colhuehuapian 2022 in paleomammalogy