Hadrokkosaurus

{{Short description|Extinct genus of amphibians}}

{{Automatic taxobox

| taxon = Hadrokkosaurus

| fossil_range = Middle Triassic

| image = Hadrokkosaurus NMMNHS.jpg

| image_caption = Skull of Hadrokkosaurus bradyi in the New Mexico Museum of Natural History and Science

| authority = Welles, 1957

| type_species = {{extinct}}Hadrokkosaurus bradyi

| type_species_authority = Welles, 1947 (originally Taphrognathus bradyi)

}}

Hadrokkosaurus is an extinct genus of brachyopid temnospondyl amphibian from the Middle Triassic of the southwestern United States. It includes a single species, Hadrokkosaurus bradyi, known from the Moenkopi Formation of Arizona.{{Cite journal | last1 = Ruta | first1 = M. | last2 = Bolt | first2 = J. R. | doi = 10.4202/app.2008.0403 | title = The brachyopoid Hadrokkosaurus bradyi from the Early Middle Triassic of Arizona, and a phylogenetic analysis of lower jaw characters in temnospondyl amphibians | journal = Acta Palaeontologica Polonica | volume = 53 | issue = 4 | pages = 579 | year = 2008 | doi-access = free }}