Genus: Notohypsilophodon MARTINEZ, 1998
Etymology: Greek, noto, “southern”, Greek, hyps, “high”, Greek , lophos, “crest”, Greek, odon, “tooth”: Southern high crest tooth.

Species: comodorensis MARTINEZ, 1998
Etymology: In reference to the location Comodoro Riviadavia, Central Chubut Province, central Patagonia, Argentina.

Holotype: UNPSJB-PV 942

Locality: 28 km northeast of Buene Pasto, Central Chubut Province, central Patagonia, Argentina.

Horizon: Bajo Barreal Formation.


Age: Cenomanian Stage, Uppermiddle Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material: 4 cervicals, 7 dorsals, 4 sacral and 6 caudals, 4 fragmentary ribs, fragmentary left scapula, right coracoid, right humerus, ulnas, fragmentary left femur, right tibia, fragmentary left tibia, left fibula, fragmentary right fibula, right astralagus, left calcaneum 13 phalanges and 3 unguals.