Class Mammalia Linnaeus, 1758 - mammals Subclass †Allotheria Marsh, 1880 Order †Multituberculata Cope, 1884 Suborder †"Plagiaulacida" Ameghino, 1889 [paraphyletic] †Plagiaulacid line Family †Eobaataridae Kielan-Jaworowska, Dashzeveg & Trofimov, 1987 Genus †Loxaulax Simpson, 1928 [monotypic] 1 †Loxaulax valdensis (Woodward, 1911)