Class [Mammalia] Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Caenolestidae Trouessart, 1898 - "shrew" opossums
       1 Genus Caenolestes Thomas, 1895 - common "shrew" opossums
       1.1 Genus Lestoros Oehser, 1934
       2 Genus Rhyncholestes Osgood, 1924 - Chilean "shrew" opossums