Genus: Dakotadon PAUL, 2008
Etymology: In reference to the state of the holotype's origin, South Dakota, and Greek, odon, "tooth."

Species: lakotaensis (WEISHAMPEL & BJORK, 1989) PAUL, 2008
Etymology: The species designation refers to the Lakota and the horizon from which the type specimen was collected.
= Iguanodon lakotaensis WEISHAMPEL & BJORK, 1989

Holotype: SDSM 8656

Locality: SDSM V751, Lawrence County, South Dakota.

Horizon: Lakota Formation.

Biostratigraphy:

Age: Possibly Barremian Stage, Lower Gallic Subepoch, Middle Early Cretaceous, Early Cretaceous.

Material: A nearly complete skull comprising a neurocranial section (lacking only the presphenoid and parasphenoid) and the majority of the facial skeleton (Quadratojugal, quadrate, and palpebrals not preserved), portions of the palate (pterygoid missing), a fragment that includes the jugal-postorbital articulation, the predentary, right and left dentary sections (no post dentary bones), and a dorsal and caudal vertebra.

Modified from BAKKER, 1998 & BRILL & CARPENTER, 2007