Tiaojishan Formation
E721121
The Tiaojishan Formation is a Middle to Late Jurassic geological formation in northeastern China renowned for its exceptionally well-preserved fossils, including early mammals, dinosaurs, and other vertebrates.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
fossil-bearing stratigraphic unit
ⓘ
geological formation ⓘ |
| age | approximately 165–153 million years ago ⓘ |
| containsFossil |
Anchiornis
NERFINISHED
ⓘ
Aurornis NERFINISHED ⓘ Darwinopterus NERFINISHED ⓘ Docodonta NERFINISHED ⓘ Haramiyavia-like mammaliaforms ⓘ Multituberculata NERFINISHED ⓘ Pedopenna NERFINISHED ⓘ Xiaotingia NERFINISHED ⓘ basal mammaliaforms ⓘ conchostracans ⓘ freshwater fishes ⓘ ostracods ⓘ salamanders ⓘ |
| country | China ⓘ |
| depositionalEnvironment |
fluvial
ⓘ
lacustrine ⓘ |
| environment | volcanically influenced terrestrial environment ⓘ |
| fossilPreservation | Lagerstätte-type preservation ⓘ |
| geologicalPeriod |
Late Jurassic
ⓘ
Middle Jurassic ⓘ |
| knownFor |
amphibians
ⓘ
dinosaurs ⓘ early mammals ⓘ exceptionally preserved fossils ⓘ insects ⓘ lizards ⓘ plants ⓘ pterosaurs ⓘ |
| lithology |
tuff
ⓘ
tuffaceous sandstone ⓘ tuffaceous shale ⓘ volcanic rocks ⓘ |
| locatedIn |
Beijing Municipality
NERFINISHED
ⓘ
Hebei Province NERFINISHED ⓘ Liaoning Province NERFINISHED ⓘ northeastern China ⓘ |
| notableSite |
Daohugou beds
NERFINISHED
ⓘ
Linglongta locality NERFINISHED ⓘ |
| overlies | Haifanggou Formation NERFINISHED ⓘ |
| paleoclimate | humid temperate ⓘ |
| partOf | Yanliao Biota NERFINISHED ⓘ |
| region | Yan Mountains NERFINISHED ⓘ |
| significance |
important for early evolution of birds and bird-like dinosaurs
ⓘ
important for early mammal evolution studies ⓘ |
| stratigraphicUnitOf | North China Craton NERFINISHED ⓘ |
| underlies | Tuchengzi Formation NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.