Mastersonia is an extinct genus of non-mammalian therapsids from the Lower Permian of San Angelo Formation, Texas. It is only known from a few, very large...
1 KB (76 words) - 15:09, 29 December 2022
wolfcampensis – type locality for species †Mastersonia – type locality for genus †Mastersonia driverensis – type locality for species †Mckittrickella...
219 KB (14,499 words) - 02:47, 7 May 2024
hudsoni A dubious sphenacodontid Gorgodon G. minutus Knoxosaurus K. niteckii Mastersonia M. driverensis Steppesaurus S. gurleyi Tappenosaurus T. magnus...
6 KB (426 words) - 15:04, 13 February 2024