Hell Creek Formation

E73998
fossiliferous stratigraphic unit geologic formation sedimentary rock unit

The Hell Creek Formation is a famous Late Cretaceous rock unit in North America renowned for its exceptionally rich dinosaur fossils, including iconic specimens like Tyrannosaurus rex and Triceratops.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (3)

Label Occurrences
Hell Creek Formation canonical 16
Hell Creek 1
Hell Creek Formation, Montana 1

Statements (77)

Predicate Object
instanceOf fossiliferous stratigraphic unit ⓘ
geologic formation ⓘ
sedimentary rock unit ⓘ
ageRange approximately 66 to 68 million years ago ⓘ
associatedWith Chicxulub impact crater ⓘ
surface form: Chicxulub impact event
contains Cretaceous–Paleogene boundary ⓘ
surface form: Cretaceous–Paleogene boundary layer

iridium anomaly near K–Pg boundary ⓘ
paleosols ⓘ
containsFossil Acheroraptor temertyorum ⓘ
Anzu wyliei ⓘ
Champsosaurus ⓘ
Crocodyliformes ⓘ
Dakotaraptor steini ⓘ
Denversaurus ⓘ
Edmontosaurus annectens ⓘ
Leptoceratops gracilis ⓘ
Nodosauridae ⓘ
Ornithomimus ⓘ
Pachycephalosaurus wyomingensis ⓘ
Ornithomimus ⓘ
surface form: Struthiomimus

Thescelosaurus neglectus ⓘ
Triceratops ⓘ
surface form: Torosaurus latus

Triceratops ⓘ
surface form: Triceratops horridus

Triceratops ⓘ
surface form: Triceratops prorsus

Tyrannosaurus ⓘ
surface form: Tyrannosaurus rex

amphibians ⓘ
angiosperm leaves ⓘ
conifer wood ⓘ
early placental mammals ⓘ
ferns ⓘ
freshwater turtles ⓘ
insects ⓘ
mammals ⓘ
marsupials ⓘ
multituberculates ⓘ
pollen ⓘ
rays ⓘ
sharks ⓘ
spores ⓘ
teleost fishes ⓘ
trace fossils ⓘ
country United States of America ⓘ
surface form: United States
depositionalEnvironment deltaic ⓘ
floodplain ⓘ
fluvial ⓘ
geologicAge Maastrichtian ⓘ
geologicPeriod Late Cretaceous ⓘ
hasResearchSite Badlands ⓘ
surface form: Badlands of North Dakota

Fort Peck area ⓘ
Makoshika State Park ⓘ
isTypeLocalityFor Acheroraptor temertyorum ⓘ
Anzu wyliei ⓘ
Dakotaraptor steini ⓘ
Triceratops ⓘ
surface form: Triceratops horridus

Tyrannosaurus ⓘ
surface form: Tyrannosaurus rex
lithology coal ⓘ
mudstone ⓘ
sandstone ⓘ
shale ⓘ
siltstone ⓘ
locatedIn Montana ⓘ
North Dakota ⓘ
South Dakota ⓘ
Wyoming ⓘ
namedAfter Hell Creek Formation self-linksurface differs ⓘ
surface form: Hell Creek
namedBy Barnum Brown ⓘ
namingYear 1907 ⓘ
notableFor Cretaceous–Paleogene boundary studies ⓘ
rich dinosaur fauna ⓘ
overlies Fox Hills Formation ⓘ
Pierre Shale ⓘ
paleoclimate humid ⓘ
warm temperate ⓘ
paleogeography coastal plain of Western Interior Seaway ⓘ
partOf Western Interior Basin ⓘ
region Great Plains ⓘ
underlies Fort Union Formation ⓘ

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

SUE the T. rex → discoveredInFormation → Hell Creek Formation ⓘ
Hell Creek Formation → namedAfter → Hell Creek Formation self-linksurface differs ⓘ
this entity surface form: Hell Creek
FMNH PR 2081 → discoveredInGeologicalFormation → Hell Creek Formation ⓘ
Triceratops → fossilFoundIn → Hell Creek Formation ⓘ
Thescelosaurus neglectus → foundInFormation → Hell Creek Formation ⓘ
Leptoceratops gracilis → geologicalFormation → Hell Creek Formation ⓘ
Fox Hills Formation → underlies → Hell Creek Formation ⓘ
Fort Union Formation → overlies → Hell Creek Formation ⓘ
Western Interior Basin → includesFormation → Hell Creek Formation ⓘ
Edmontosaurus annectens → fossilSite → Hell Creek Formation ⓘ
Anzu wyliei → formation → Hell Creek Formation ⓘ
Champsosaurus → geologicalFormation → Hell Creek Formation ⓘ
Barnum Brown → workLocation → Hell Creek Formation ⓘ
Pachycephalosaurus wyomingensis → geologicalFormation → Hell Creek Formation ⓘ
Dakotaraptor steini → formation → Hell Creek Formation ⓘ
Acheroraptor temertyorum → geologicalFormation → Hell Creek Formation ⓘ
Acheroraptor temertyorum → typeLocality → Hell Creek Formation ⓘ
this entity surface form: Hell Creek Formation, Montana
Makoshika State Park → hasStratigraphicUnit → Hell Creek Formation ⓘ