Class Mammalia Linnaeus, 1758 - mammals Order †Eutriconodonta Kermack, Mussett & Rigney, 1973, incertae sedis Family †"Amphilestidae" Osborn, 1888 [paraphyletic] Genus †Phascolotherium Owen, 1838 [monotypic] †Phascolotherium bucklandi (Broderip, 1828)