Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Vespertilionidae Gray, 1821 - vespertilionid bats
         Subfamily Myotinae Tate, 1942
           Genus Myotis Kaup, 1829 - mouse-eared bats
             Myotis yumanensis (Allen, 1864) - Yuma myotis
               1 [Myotis yumanensis yumanensis] (Allen, 1864)
               2 Myotis yumanensis lambi Benson, 1947
               3 Myotis yumanensis lutosus Miller & Allen, 1928
               4 Myotis yumanensis oxalis Dalquest, 1947
               5 Myotis yumanensis saturatus Miller, 1897
               6 Myotis yumanensis sociabilis Grinnell, 1914