Genus: Plesiohadros TSOGTBAATAR, WEISHAMPEL, EVANS, & WATABE, 2014
Etymology: Greek, plesios, "near" and hadros, "hadrosaurid"; in reference to its systmatic position as a proximate sister taxon to hadrosauridae.

Species: djakokhtaensis TSOGTBAATAR, WEISHAMPEL, EVANS, & WATABE, 2014
Etymology:  From the Djadokhta Formation.

Holotype: MPC-D100/745

Locality: Alag Teeg, South Gobi Aimag, Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Partial skull, lower jaw, cervical vertebra, hyoid, metacarpals and phalanges.

Refered mtaerial:

MPC-D100/751: Tibia, fibula, astragalus, metatarsals, and phalanges.