^ abSues, Hans-Dieter; Baird, Donald (1998). "Procolophonidae (Reptilia: Parareptilia) from the Upper Triassic Wolfville Formation of Nova Scotia, Canada". Journal of Vertebrate Paleontology. 18 (3): 525–532. Bibcode:1998JVPal..18..525S. doi:10.1080/02724634.1998.10011079.