Genus: Driveria OLSON, 1962
Etymology: In honor of Mr. O. W. Driver on whose ranch in Texas many specimens of San Angelo reptiles were collected.

Species: ponderosa OLSON, 1962
Etymology:

Holotype: FMNH (CNHM) UR 247

Locality: Loc. KV, MacFayden Ranch, (North), Knox County, Texas.

Horizon: Flowerpot Member, Upper San Angelo Formation, Lower Pease River Group.

Biostratigraphy: Land-vertebrate faunachron lower E.

Age: Lower Guadalupian Stage, Upper Rotliegendes Epoch, Early Permian.

Material: Sacrum, pelvis, scapulo-coracoid, parts of vertebrae and ribs.

Paratype:

FMNH (CNHM) UR 248: Femur, humerus, 1 vertebra, zigomatic part of skull and fragments.