Genus: Siamodon BUFFETAUT & SUTEETHORN, 2011
Etymology: From Siam, the ancient name of Thialand and Greek, odon, "tooth"; the spelling of odon is used to denote similarites with Iguanodno.

Species: nimngami BUFFETAUT & SUTEETHORN, 2011
Etymology: In honor of Mr. Withaya Nimngam, who kindly donated the specimens.

Holotype: PRC-4

Locality: Ban Saphan Hin, Nakhon Ratchasima Province, northeastern Thailand.

Horizon: Khok Kraut Formation.

Biostratigraphy:

Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Left maxilla bearing several teeth.

Referred material:

PRC-5: An isolated maxillary tooth.

PRC-6: Braincase.