Huttenlocker, A. 2009 An investigation into the cladistic relationships and monophyly of therocephalian therapsids (Amniota: Synapsida) Zoological Journal of the Linnean Society 157 865-891 Biarmosuchus Titanophoneus Gorgonopsia Anomodontia Charassognathus Dvinia Procynosuchus Lycosuchus Glanosuchus Ictidosaurus Pristerognathus Olivierosuchus Promoschorhynchus Moschorhinus Euchambersia Mirotenthes Hofmeyria Ictidostoma Viatkosuchus Moschowhaitsia Theriognathus Ictidosuchus Ictidosuchops Ictidosuchoides Regisaurus Lycideops Tetracynodon Scaloposaurus Ericiolacerta Bauria Osteology Maximum Parsimony Based on reanalysis of the original matrix. Huttenlocker_2009a