Oogenus: Patagoolithus SIMON, 2006
Etymology: In reference to Patagonia, where the specimens were found, and oolithus, 'eggs'.

Oospecies: salitralensis SIMON, 2006
Etymology: In reference to Salitral Moreno, where the holotype was found.

Holotype: MUCPv-296/1

Locality: Salitral Moreno, Rio Negro Province, Patagonia, Argentina.

Horizon: Inferior Member, Allen Formation, Malargue Group.

Biostratigraphy:

Age: Campanian- Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Eggshells.