Hadrocodium
Hadrocodium: Research Database Mammaliaformes (Synapsida) · Early Jurassic (~195 MYA) · Asia — China (Yunnan) Research Note: Hadrocodium was a small mammal from the Early Jurassic of Yunnan, China. As one of the earliest known mammals with a distinct middle ear, it provides critical data on mammalian evolution and the origin of the mammalian … Read more