Cretoabus is a genus of ground beetle (Carabidae) that lived during the Lower Cretaceous epoch in the Cretaceous period inside modern day Inner Mongolia, China.[1] This genus contains several species such as Cretorabus capitatus, Cretorabus latus, Cretorabus medius, Cretobus orientalis, Cetorbus ovalis, Cretorabus rasnitsyni and Cretorabus sulcatus.[2]