Clade Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Clade Mammalia Linnaeus 1758 [Rowe 2020] Clade Trechnotheria McKenna 1975 Clade †Zhangheotheria Averianov, Martin & Lopatin 2013 Genus †Kiyatherium Maschenko, Lopatin & Voronkevich, 2002 †Kiyatherium cardiodens Maschenko, Lopatin & Voronkevich, 2002