Genus: Sarahsaurus ROWE, SUES & REISZ, 2010
Etymology: In honor of Sarah (Mrs Ernest) Butler, whose broad interest in the arts, the sciences and medicine have enriched Texas in so many marvellous ways, and Greek, sauros, "lizard."

Species: aurifontanalis ROWE, SUES & REISZ, 2010
= Massospondylus sp ATTRIDGE, CROMPTON & JENKINS, 1985
Etymology: Latin, aurum, "gold" and Latin, fontanalis, "spring"; in reference to Gold Spring, Arizona, where the Holotype was found.

Holotype: MCZ 8893

Locality: Locality TMM 43646, Dilophosaurus Quarry, near the base of Rock Head (Rock Head Quadrangle, U.S.G.S. 7/5’series), is located at latitude 35°41'22"N, longitude 111°17'22”W, on land of the Navajo Nation, northern edge of Gold Spring Wash drainage basin, Coconino County, northeastern Arizona.

Horizon: Kayenta Formation, Glen Canyon Group.

Biostratigraphy:

Age: ?Sinemurian-Pliesbachian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material: Skull, mandible and a nearly complete, largely articulated postcranial skeleton.