Holotype:

Locality: Tlayua Quarry, Locality No. 2432 Cantera Tlayua-IGM, level Z/X, 2 km southeast of the Colonia Morelos, near Tepexi de Rodriguez, Puebla State, Mexico.

Horizon: Middle member of the Tlayua Formation.

Biostratigraphy:

Age: Middle or late Albian Stage, Middle Gallic Subepoch, Uppermost Early Cretaceous Epoch, Early Cretaceous.

Material: A hatchling turtle.

Referred material: Associated with adult material.