Reptilia - Dinosauria - Hadrosauridae
Full reference: J. R. Wagner and T. M. Lehman. 2009. An enigmatic new lambeosaurine hadrosaur (Reptilia: Dinosauria) from the Upper Shale Member of the Campanian Aguja Formation of trans-Pecos Texas. Journal of Vertebrate Paleontology 29(2):605-611
Parent taxon: Lambeosaurinae according to J. R. Wagner and T. M. Lehman 2009
Sister taxa: Amurosaurus, Aralosaurus, Arenysaurus, Blasisaurus, Charonosaurus, Corythosaurini, Corythosaurus, Hypacrosaurus, Jaxartosaurus, Lambeosaurini, Lambeosaurus, Magnapaulia, Nanningosaurus, Nipponosaurus, Olorotitan, Pararhabdodon, Parasaurolophini, Parasaurolophus, Sahaliyania, Tsintaosaurus, Velafrons
Subtaxa: Angulomastacator daviesi
Type: Angulomastacator daviesi
Ecology: ground dwelling herbivore