Linked from

The 20 pages that link to Hell Creek Formation, each with the reason it gives.

• TyrannosaurusRelated: Its fossil beds preserve Tyrannosaurus and many organisms from its final ecosystems.

• TriceratopsRelated: Its rocks preserve abundant Triceratops fossils from the final stages of the Cretaceous.

• Chicxulub impactorRelated: Its fossils and boundary deposits document ecological change around the impact.

• Cretaceous–Paleogene boundaryRelated: Its fossil record helps compare terrestrial ecosystems immediately before the boundary.

• TyrannosauroideaRelated: Its fossils document the final known ecosystems of Tyrannosaurus and other derived tyrannosauroids.

• PachycephalosaurusRelated: Its fossils include Pachycephalosaurus remains from the final age of non-avian dinosaurs.

• AnkylosaurusRelated: Ankylosaurus fossils are known from this formation's Late Cretaceous deposits.

• PurgatoriusRelated: Fossils from its latest Cretaceous layers have been reported as evidence for Purgatorius before the extinction.

• CaenagnathidaeRelated: Its deposits preserve several late-surviving North American caenagnathids.

• ChampsosaurusRelated: Its river and floodplain deposits have yielded Champsosaurus fossils.

• ThescelosaurusRelated: Its deposits preserve Thescelosaurus near the end of the Cretaceous.

• DidelphodonRelated: Hell Creek fossils document Didelphodon among the mammals living alongside non-avian dinosaurs.

• PresbyornisRelated: Fossils attributed to Presbyornis help connect the genus with its older record.