Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Paucituberculata Ameghino, 1894 Family Caenolestidae Trouessart, 1898 - "shrew" opossums Genus Caenolestes Thomas, 1895 - common "shrew" opossums Caenolestes convelatus Anthony, 1924 [Caenolestes convelatus convelatus]ᵀ Anthony, 1924