Horizons of the Fossil Vertebrates of the Karroo. 



289 



Diademodon mastacus, Seeley 



Diademodon tetragonus, Seeley 



Trirachodon kannemeyri, Seeley 



Trirachodon berryi, Seeley 



Trirachodon minor, Broom 



Microgomphodon oligocynus, Seeley 



Sesamodon browni, Broom 



Melinodon simus, Broom 



Tribolodon frerensis, Seeley 



SUPER-ORDER DIAPSIDA. 

 ORDER PEOCOLOPHONIA. 



Procolophon trigoniceps, Owen 



Procolophon baini, Broom 



Thelegnathus browni, Broom 



Thelegnathus parvus, Broom 



Saurosternon baini, Huxley 



ORDER MESOSAUKIA. 



Mesosaurus tenuidens, Gervais 



Mesosaurus pleurogaster, Seeley x 



Mesosaurus capensis (Giirich) 



Heleosaurus scholtzi, Broom 



Heleophilus acutus, Broom 



Eunotosaurus africanus, Seeley 



ORDER PROTEROSUCHIA. 



Proterosuchus fergusi, Broom 



ORDER GNATHODONTIA. 



Howesia browni, Broom 



ORDER RHYNCHOCEPHALIA. 



Palacrodon browni, Broom 



ORDER PHYTOSAURIA. 



Erythrosuchus africanus, Broom 



ORDER LACERTILIA. 



Paliguana whitei, Broom 



ORDER CROCODILIA. 



Notochampsa longipes, Broom 



Notochampsa istedana, Broom 



ORDER DIOSAURINA. 



Massospondylus carinatus, Owen 



Thecodontosaurus skiropodus (Seeley) 



Thecodontosaurus browni (Seeley) 



Euskelesaurus browni, Huxley 



ORDER unknown 



Pelosuchus priscus, Broom 



Eccasaurus priscus, Broom 



MAMMALIA. 

 ORDER MULTITUBERCOLATA. 



Tritylodon longseous, Owen 



Karoomys browni, Broom 



PERMIAN. 



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