Ictidostoma
In Depth Ictidostoma is a genus of therapsid that is known to have lived in South Africa during the Permian. Further Reading - Description of a New Specimen of Ictidostoma hemburyi (Therapsida; Therocephalia) and the Phylogenetic Relations of Therocephalians to the Mammalian Lineage. - Dallas Frentzel, Christian F. Kammerer & John J. Flynn.