Cisneros, J. C. (2008). Phylogenetic relationships of procolophonid parareptiles with remarks on their geological record. Journal of Systematic Palaeontology. 6 (3): 345—366. doi:10.1017/S1477201907002350. S2CID84468714.
Hans-Dieter Sues and Robert R. Reisz (2008). Anatomy and Phylogenetic Relationships of Sclerosaurus armatus (Amniota: Parareptilia) from the Buntsandstein (Triassic) of Europe. Journal of Vertebrate Paleontology. 28 (4): 1031—1042. doi:10.1671/0272-4634-28.4.1031. S2CID53967912.
Cisneros, J. C. (2008). Phylogenetic relationships of procolophonid parareptiles with remarks on their geological record. Journal of Systematic Palaeontology. 6 (3): 345—366. doi:10.1017/S1477201907002350. S2CID84468714.
Hans-Dieter Sues and Robert R. Reisz (2008). Anatomy and Phylogenetic Relationships of Sclerosaurus armatus (Amniota: Parareptilia) from the Buntsandstein (Triassic) of Europe. Journal of Vertebrate Paleontology. 28 (4): 1031—1042. doi:10.1671/0272-4634-28.4.1031. S2CID53967912.