Class Mammalia Linnaeus, 1758 - mammals Order †Eutriconodonta Kermack, Mussett & Rigney, 1973, incertae sedis Genus †Jeholodens Ji, Luo & Ji, 1999, incertae sedis [monotypic] 1 †Jeholodens jenkinsi Ji, Luo & Ji, 1999