Named By: María Jimena Trotteyn & Martín D. Ezcurra - 2014.
Synonyms: Chanaresuchus ischigualastensis.
Classification: Chordata, Reptilia, Archosauromorpha,Crocopoda, Proterochampsia, Rhadinosuchidae.
Species: P. ischigualastensis (type).
Size: Skull roughly 15.3 centimetres long. Preserved length of holotype individual about 60 centimetres long, but is missing the yip of the tail. Possibly up to 70-90 centimetres long in life depending upon the length of the tail.
Known locations: Argentina - Ischigualasto Formation.
Time period: Carnian/Norian of the Triassic.
Fossil representation: Skull and partial post cranial skeletal remains including the vertebral column, ribs and hind limbs.
Orginally described as a species of Chanaresuchus, C. ischigualastensis was elevated to a genus level in 2014 and became Pseudochampsa. Pseudochampsa is a genus of proterochampsian archosauromorph, and would have been a relatively small predator mostly hunting smaller animals.
- A new proterochampsid Chanaresuchus ischigualastensis (Diapsida, Archosauriformes) in the early Late Triassic Ischigualasto Formation, Argentina. - Journal of Vertebrate Paleontology 32 (2): 485–489. - M. J. Trotteyn, R. N. Martínez & O. A. Alcober - 2012.
- Osteology of Pseudochampsa ischigualastensis gen. et comb. nov. (Archosauriformes: Proterochampsidae) from the Early Late Triassic Ischigualasto Formation of Northwestern Argentina. - PLoS ONE 9 (11). - María Jimena Trotteyn & Martín D. Ezcurra - 2014.