Porosteognathus
Encyclopedia
Porosteognathus is an extinct genus of theriodont
. Remains have been found at Isheevo in Russia (Republic of Tatarstan).
Theriodont
Theriodonts , are a major group of therapsids. They can be defined in traditional, Linnaean terms, in which case they are a suborder of mammal-like reptiles that lived from the Middle Permian to the Middle Cretaceous, or in Cladistic terms, in which case they include not only the traditional...
. Remains have been found at Isheevo in Russia (Republic of Tatarstan).