Greco Westermann
Illustrator
Permian Fauna
Some stem-mammals through the Permian
Cotylorhynchus - Early Permian
Dimetrodon - Early Permian
Estemmenosuchus - Middle Permian
Lystrosaurus - Late Permian and Early Triassic
Some stem-mammals through the Permian
Cotylorhynchus - Early Permian
Dimetrodon - Early Permian
Estemmenosuchus - Middle Permian
Lystrosaurus - Late Permian and Early Triassic