Sidor, C. A. Welman, J. 2003 A second specimen of <em>Lemurosaurus pricei</em> (Therapsida: Burnetiamorpha) Journal of Vertebrate Paleontology 23 631-642 Haptodus Dimetrodon Anteosauridae Biarmosuchus Hipposaurus Lycaenodon Rubidgina Ictidorhinus NMQR_1702 Proburnetia Bullacephalus Burnetia Osteology Maximum Parsimony Based on reanalysis of the original matrix. Sidor_et_Welman_2003a