Lance Formation
E920373
Lance Formation is a Late Cretaceous geological formation in North America renowned for its rich dinosaur fossil beds, including specimens of Triceratops.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Lance Formation, Wyoming | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
sedimentary rock formation ⓘ |
| age | Maastrichtian ⓘ |
| contains | vertebrate microfossil sites ⓘ |
| containsFossilsOf |
Ankylosauria
NERFINISHED
ⓘ
Ceratopsia NERFINISHED ⓘ Crocodyliformes ⓘ Edmontosaurus NERFINISHED ⓘ Hadrosauridae NERFINISHED ⓘ Pachycephalosauria NERFINISHED ⓘ Triceratops NERFINISHED ⓘ Tyrannosaurus rex NERFINISHED ⓘ amphibians ⓘ birds ⓘ ceratopsid dinosaurs ⓘ dromaeosaurids ⓘ fish ⓘ mammals ⓘ ornithomimids ⓘ sauropod remains (rare) ⓘ theropod dinosaurs ⓘ troodontids ⓘ turtles ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
deltaic
ⓘ
fluvial ⓘ |
| geologicalPeriod | Late Cretaceous ⓘ |
| hasStratigraphicRank | formation ⓘ |
| knownFor |
abundant Triceratops fossils
ⓘ
rich dinosaur fossil beds ⓘ |
| lithology |
mudstone
ⓘ
sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn |
Montana
ⓘ
North America ⓘ South Dakota ⓘ United States of America ⓘ
surface form:
United States
Wyoming ⓘ |
| namedAfter | Lance Creek, Wyoming NERFINISHED ⓘ |
| overlies | Fox Hills Formation NERFINISHED ⓘ |
| partOf | Western Interior of North America NERFINISHED ⓘ |
| region | Great Plains ⓘ |
| similarTo | Hell Creek Formation NERFINISHED ⓘ |
| stratigraphicUnitOf | Western Interior Seaway margin ⓘ |
| temporalRelation | among last dinosaur-bearing formations before Cretaceous–Paleogene extinction event ⓘ |
| underlies | Fort Union Formation NERFINISHED ⓘ |
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lance Formation, Wyoming