Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Paucituberculata Ameghino, 1894 Family Caenolestidae Trouessart, 1898 - "shrew" opossums Genus Lestoros Oehser, 1934 Lestoros inca (Thomas, 1917)