Species: talampayensis ROUGIER, de la FUENTE & ARCUCCI, 1995
Etymology: In reference to the provincial park of Talampaya, La Rioja, Argentina.
Holotype: PULR (Universidad Nacional de La Rioja, UPVLR) 68
Locality: Between Quebrada de Los Jachaleros and La Esquina, about 6 km west of the 141 km marker, route 26, provincial park of Talampaya, La Rioja Province, Argentina.
Horizon: Los Colorados Formation.
Biostratigraphy:
Age: Norian, Late Triassic Epoch, Late Triassic.
Material: Skull and articulated skeleton, complete except for central part of the carapace.
Referred material:
PULR (UPVLR) 69: Endocranial cast, the right foot and fragment of the carapace and plastron.
PULR 72: Skull and the anterior portion of a jaw.
DE LA FUENTE, ROUGIER & ARUCCI, 1996, STERLI, DE LA FUENTE, & ROUGIER, 2007
15 individuals.