PaleoDB taxon number: 140882
Full reference: R. O. Gómez, A. M. Báez, and G. W. Rougier. 2008. An anilioid snake from the Upper Cretaceous of northern Patagonia. Cretaceous Research 29:481-488
Sister taxa: none
Type specimen: MML-PV181, a set of vertebrae. Its type locality is Cerro Tortuga, Bajo Trapalcó, which is in a Campanian/Maastrichtian fluvial sandstone/siltstone in the Allen Formation of Argentina.