Genus: Hypacrosaurus BROWN, 1913
Etymology: Greek, bypakros, “nearly the highest”, and Greek, sauros, “lizard”: “near-highest lizard”.

Species: altispinus BROWN, 1913


AMNH 5217

Locality: Thirty feet above river at Tolman Ferry, Red Deer River, Alberta Province, Canada.

Horizon: Five-hundred? feet below top of formation, Horseshoe Canyon Formation, Edmonton Group.


Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Sacrum, last 10 dorsal vertebrae, 9 ribs, left ilium, right pubis, left femur, left tibia, right and left fibulae, 4 metatarsals, 5 phalanges and section of epidermis.