Class [Mammalia] Linnaeus, 1758 - mammals Count: - Family †Purgatoriidae Van Valen & Sloan, 1965 Count: [†*] †1g;3s Genus †Purgatorius Van Valen & Sloan, 1965 Count: [†*] †3s 1 †Purgatorius unio Van Valen & Sloan, 1965 Count: - 2 †Purgatorius titusi Buckley, 1997 Count: - 3 †Purgatorius janisae Van Valen, 1994 Count: -