Miadanasuchus is an extinct genus of peirosaurid which existed in the Maevarano Formation of Madagascar during the late Cretaceous period (Campanian age).[1] It was first named by Erin L. Rasmusson Simons and Gregory A. Buckley in 2009 and the type species is Trematochampsa oblita.[1] Its teeth were irregularly spaced and variable in height.