Clade Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Class Mammalia Linnaeus, 1758 Clade Trechnotheria McKenna 1975 Clade †Zhangheotheria Averianov, Martin & Lopatin 2013 Genus †Gobiotheriodon Trofimov, 1997 1 †Gobiotheriodon infinitus (Trofimov, 1980)