Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Paucituberculata Ameghino, 1894 Family Caenolestidae Trouessart, 1898 - "shrew" opossums Genus Rhyncholestes Osgood, 1924 - Chilean "shrew" opossums Rhyncholestes raphanurus Osgood, 1924 - long-nosed caenolestid [Rhyncholestes raphanurus raphanurus]ᵀ Osgood, 1924