of the genus back a few million years. The DPF specimen, however, was later made the holotype of a new species, A. inceptus. The following cladogram is based on a 2015 phylogenetic analysis of the Ankylosaurinae conducted by Arbour and Currie: See also Timeline of ankylosaur research 2018 in paleontology References Ankylosaurids Late Cretaceous dinosaurs of North America Fossil taxa described in 1929 Taxa named by Charles Mortram Sternberg Paleontology in Alberta Campanian genus first appearances Maastrichtian genus extinctions Ornithischian genera