Perplexisaurus

{{short description|Genus of therapsid from the Middle to Late Permian of Russia}}

{{Automatic taxobox

| fossil_range = Middle-Late Permian
~{{fossil range|260|252.3}}

| image = Perplexisaurus foveatus.jpg

| image_upright = 1.1

| image_caption = Life restoration of Perplexisaurus foveatus

| taxon = Perplexisaurus

| authority = Tatarinov 1997

| subdivision_ranks = Species

| subdivision = * {{extinct}}P. foveatus {{small|Tatarinov 1997 (type)}}

• {{extinct}}P. lepusculus {{small|Ivachnenko 2011}}

}}

Perplexisaurus is a genus of therocephalian therapsid from the Middle to Late Permian Deltavjatia vjatkensis Assemblage Zone, Vanyushonki Member of the Urpalov Formation of Russia. It was described by L. P. Tatarinov in 1997, and the type species is P. foveatus. A new species, P. lepusculus, was described by M.F. Ivachnenko in 2011, from Russia.Ivakhnenko, M.F. (2011). "Permian and Triassic therocephals (Eutherapsida) of Eastern Europe". Paleontological Journal 45 (9): 981–1144. {{doi|10.1134/S0031030111090012}}.