This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
M. W. Maisch, 2002 - Observations on Karoo and Gondwana vertebrates. Part 4: The taxonomic status of the Late Permian rhachiocephalid Platycyclops crassus Broom, 1948 (Therapsida: Dicynodontia) from the South African Karoo - Neues Jahrbuch fur Geologie und Palaontologie Monatshefte (6), 362-372 (journal article, English)
R. Broom, 1950 - Some new Anomodont reptiles in the Bernard Price Collection - South African Journal of Science (46), 275-278 (journal article, English)
R. Broom, 1948 - A Contribution to our Knowledge of the Vertebrates of the Karroo Beds of South Africa - Transactions of the Royal Society of Edinburgh (61), 577-629 (journal article, English)