In Depth
A relative of amphibians such as Platyhystrix and Cacops, Zygosaurus was a cacopine temnospondyl that lived in Russia during the Permian.
Further Reading
– Uber die Saurier des kupferfhrenden Zechsteins Russlands. – Bulletin de la Societe National Moscou (in Russian). 21: 136–204. – Eduard Eichwals – 1848.