Anatomy and relationships of <em>Haptodus garnettensis</em>, a Pennsylvanian synapsid from Kansas

Laurin, M. 1993 Anatomy and relationships of <em>Haptodus garnettensis</em>, a Pennsylvanian synapsid from Kansas Journal of Vertebrate Paleontology 13 200-229 Varanopseidae Ophiacodontidae Edaphosauridae Haptodus Palaeohatteria Pantelosaurus Cutleria Sphenacodon Dimetrodon Biarmosuchus Dinocephalia Osteology Maximum Parsimony Based on reanalysis of the original matrix. Laurin_1993a