Referencias:

• Apesteguía, S., Zaher, H., A Cretaceous terrestrial snake with robust hindlimbs and a sacrum (2006) Nature, 440, pp. 1037-1104
• Auffenberg, W., The fossil snakes of Florida (1963) Tulane Stud. Zool, 10, pp. 131-216
• Goloboff, P.A., Estimating character weights during tree search (1993) Cladistics, 9, pp. 83-91
• Goloboff, P.A., Farris, J., Nixon, K., (2003) T.N.T. Tree Analysis Using New Technology. Program & documentation, , http://www.zmuc.dk/public/phylogeny/tnt, available from the authors, and at
• Goloboff, P.A., Källersjö, M., Oxelmann, B., Ramírez, M., Szumik, C., Improvements to resampling measures of group support (2003) Cladistics, 19, pp. 324-332
• Goloboff, P.A., Mattoni, C.I., Quinteros, A.S., Continuous characters analyzed as such (2006) Cladistics, 22, pp. 1-13
• Johnson, R.G., The adaptive and phylogenetic significance of vertebral form in snakes (1955) Evolution, 9, pp. 367-388
• Lee, M.S.Y., Scanlon, J.D., Snake phylogeny based on osteology, soft anatomy and ecology (2002) Biol. Rev, 77, pp. 333-401
• Rage, J.C., Serpentes, en: P (1984) Handbuch der Paläoherpetologie, 11. , Wellnhofer ed, Tomo, xii, 80 pp. Stuttgart/New York: Gustav Fischer Verlag
• Rieppel, O., Kluge, A.G., Zaher, H., Testing the phylogenetic relationships of the Pleistocene snake Wonambi naracoortensis Smith (2002) J. Vertebr. Paleontol, 22, pp. 812-829
• Rohlf, J.F., (2004) Tps Dig 1.40, , http://life.bio.sunysb.edu/morph, State University of New York, Stony Brook, New York
• Szyndlar, Z., Fossil snakes from Poland (1984) Acta Zool. Cracov, 28, pp. 1-156

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