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Kammerer, Christian F.; Smith, Roger M. H.; Day, Michael O.; Rubidge, Bruce S. (2015). "New information on the morphology and stratigraphic range of the mid-Permian gorgonopsian Eriphostoma microdon Broom, 1911". Papers in Palaeontology. 1 (2): 201–221. doi:10.1002/spp2.1012. ISSN2056-2802. S2CID128762256.
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Viglietti, P.A., Smith, R.M., Angielczyk, K.D., Kammerer, C.F., Fröbisch, J. and Rubidge, B.S. (2016-10-10). "The Daptocephalus Assemblage Zone (Lopingian), South Africa: a proposed biostratigraphy based on a new compilation of stratigraphic ranges". Journal of African Earth Sciences. 113: 153–164. Bibcode:2016JAfES.113..153V. doi:10.1016/j.jafrearsci.2015.10.011.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Kemp T. S.; Parrington Francis Rex (1969-09-04). "On the functional morphology of the gorgonopsid skull". Philosophical Transactions of the Royal Society B: Biological Sciences. 256 (801): 1–83. Bibcode:1969RSPTB.256....1K. doi:10.1098/rstb.1969.0036.
Kammerer, Christian F.; Smith, Roger M. H.; Day, Michael O.; Rubidge, Bruce S. (2015). "New information on the morphology and stratigraphic range of the mid-Permian gorgonopsian Eriphostoma microdon Broom, 1911". Papers in Palaeontology. 1 (2): 201–221. doi:10.1002/spp2.1012. ISSN2056-2802. S2CID128762256.
Kammerer, Christian F.; Smith, Roger M. H.; Day, Michael O.; Rubidge, Bruce S. (2015). "New information on the morphology and stratigraphic range of the mid-Permian gorgonopsian Eriphostoma microdon Broom, 1911". Papers in Palaeontology. 1 (2): 201–221. doi:10.1002/spp2.1012. ISSN2056-2802. S2CID128762256.
Jenkins, Ian; Valkenburgh, Blaire Van (2002-10-01). "Evolutionary Patterns in the History of Permo-Triassic and Cenozoic Synapsid Predators". The Paleontological Society Papers. 8: 267–288. doi:10.1017/S1089332600001121. ISSN1089-3326.