Genus: Tatisaurus SIMMONS, 1965
Etymology: In reference to Tati, a village in Lufeng basin, near where the fossil was found in Yunnan Province, China, and Greek, sauros, “lizard”: “Tati lizard”.

Species: oehleri SIMMONS, 1965
Etymology: In honor of Edgar Oehler, a Catholic priest working for the Fu Jen Catholic University at Beijing, China.
= Scelidosaurus oehleri (SIMMONS, 1965) LUCAS, 1996

Holotype: FMNH (CUP) 2088

Locality: Ta Ti, locality no 8, Tati village, Lufeng Basin, Yunnan Province, China.

Horizon: Lower Lufeng Formation, Dark Red Beds.

Biostratigraphy:

Age: Sinemurian-Pliensbachian Stage, Middle Lias Epoch, Early Jurassic

Material: A fragment of a left mandible with teeth and a fragment of rib.