Class Mammalia Linnaeus, 1758 - mammals Subclass †Allotheria Marsh, 1880 Order †Multituberculata Cope, 1884 Suborder †"Plagiaulacida" Ameghino, 1889 [paraphyletic] †Paulchoffatiid line Family †Paulchoffatiidae Hahn, 1969 Genus †Galveodon Hahn & Hahn, 1992 [monotypic] †Galveodon nannothus Hahn & Hahn, 1992