D. Germain, « The Moroccan diplocaulid: the last lepospondyl, the single one on Gondwana », Historical Biology, vol. 22, nos 1-3, , p. 4–39 (DOI10.1080/08912961003779678, lire en ligne)
bioone.org
(en-US) William J. May et Joseph D. Hall, « First Occurrence of the Diplocaulid Genus Diploceraspis from the Wellington Formation (Lower Permian) of Northern Oklahoma », Transactions of the Kansas Academy of Science, vol. 119, no 2, , p. 193–199 (DOI10.1660/062.119.0209, lire en ligne)
doi.org
dx.doi.org
D. Germain, « The Moroccan diplocaulid: the last lepospondyl, the single one on Gondwana », Historical Biology, vol. 22, nos 1-3, , p. 4–39 (DOI10.1080/08912961003779678, lire en ligne)
(en-US) William J. May et Joseph D. Hall, « First Occurrence of the Diplocaulid Genus Diploceraspis from the Wellington Formation (Lower Permian) of Northern Oklahoma », Transactions of the Kansas Academy of Science, vol. 119, no 2, , p. 193–199 (DOI10.1660/062.119.0209, lire en ligne)