Species: arquata RUSCONI, 1947 (nomen dubium)
Etymology:

Holotype: No. 557.

Locality: 600m. west of Agua de la Zorra, Los Paramillos de Uspallata, near Mendoza, Mendoza Province, Argentina.

Horizon: Bed no. 3, Cacheuta Beds.

Biostratigraphy:

Age: Upper part of Early Triassic.

Material: Tooth.