Genus: Palaeoxanta ALIFANOV, 2019
Etymology: Latinized Greek, palaios, "ancient," + Eoxanta.

Species: conicodentata ALIFANOV, 2019
Etymology: Latin, conicus, "conical" and Latin, dentatus, "dentate."

Holotype: PIN, no. 3334/520

Locality: Khoobur Locality, Övökhangai Aymag, Mongolia.

Horizon: Formation not defined, Hühteeg Horizon.

Biostratigraphy:

Age: Upper Aptian-Lower Albian Stage, Gallic Subepoch, Late Early Cretaceous Epoch, Late Early Cretaceous.

Material: Left dentary.

Referred material:

PIN, no. 3334/555: Right dentary with teeth.