Mammalia Linnaeus, 1758 - mammals "Eupantotheria" Kermack & Mussett, 1958, incertae sedis [paraphyletic] †Dryolestoidea Butler, 1939 †Dryolestida Prothero, 1981 †Dryolestidae Marsh, 1879 †Leonardus cuspidatus Bonaparte, 1990