Varanopidae (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Varanopidae" in Spanish language version.

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Modesto, S.P.; Smith, R.M.H.; Campione, N.E.; Reisz, R.R. (2011). «The last "pelycosaur": a varanopid synapsid from the Pristerognathus Assemblage Zone, Middle Permian of South Africa». Naturwissenschaften 98: 1027-1034. doi:10.1007/s00114-011-0856-2.
Benson, R.J. (2012). «Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest different topologies». Journal of Systematic Paleontology. in press. doi:10.1080/14772019.2011.631042.
Robert R. Reisz, Michel Laurin and David Marjanović (2010). «Apsisaurus witteri from the Lower Permian of Texas: yet another small varanopid synapsid, not a diapsid». Journal of Vertebrate Paleontology 30 (5): 1628-1631. doi:10.1080/02724634.2010.501441.