= Edmontosaurus annectens WYENBERG-HENZLER & SCANNELLA, 2024, 2026 (Note: Maybe a different genus than Anatosaurus).

Locality: MOR locality no. HC-387, Dawson County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Nearly complete skull.

Note: With an embedded Tyrannosaurus rex tooth in the nasal.