Ghost lineages and "mammalness": assessing the temporal pattern of character acquisition in the Synapsida

Sidor, C. A. Hopson, J. A. 1998 Ghost lineages and "mammalness": assessing the temporal pattern of character acquisition in the Synapsida Paleobiology 24 254-273 Ophiacodontidae Edaphosauridae Haptodus Sphenacodontidae Biarmosuchia Eotitanosuchus Anteosauridae Estemmenosuchidae Anomodontia Gorgonopsidae Therocephalia Dvinia Procynosuchus Galesauridae Thrinaxodon Cynognathia Probainognathus Probelesodon Trithelodontidae Morganucodontidae Sinoconodon Osteology Maximum Parsimony Based on reanalysis of the original matrix. Sidor_et_Hopson_1998a