Irajatherium hernadezi is a species known only by a humerus, a femur, two jaws and an upper arch incomplete, has the upper canine teeth after pills across and the post-mandibular canines with a more developed central cusp, followed by three smaller ones. It was collected in the municipality of Faxinal do Soturno in Paleorrota, Brazil.
^Martinelli, A.G., Bonaparte, J.F., Schultz, C.L. and Rubert, R. (2005). "A new tritheledontid (Therapsid, Eucynodontia) from the Late Triassic Rio Grande do Sul (Brazil) and its phylogenetic relationships among carnivorous non-mammalian eucynodonts". Ameghiniana42 (1): 191–208.