Class Mammalia Linnaeus, 1758 - mammals
   Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
     Infraclass Eutheria Gill, 1872
       Genus †Eomaia Ji, Luo, Yuan, Wible, Zhang & Georgi, 2002, incertae sedis [monotypic]
         1 †Eomaia scansoria Ji et al., 2002