Liangtoutang Formation
Geologic formation in China
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The Liangtoutang Formation, also referred to as the Laijia Formation is a geological formation located in Zhejiang, China. Its strata date back to the Albian to Cenomanian stages of the Cretaceous period, between 105.9 and 96 million years ago.[1] The lithology primarily consists of red sandstone.
| Liangtoutang Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Geological formation |
| Unit of | Tiantai Group |
| Underlies | Chichengshan Formation |
| Overlies | Tangshang Formation |
| Thickness | About 300 m (980 ft) |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 28.7°N 120.2°E |
| Approximate paleocoordinates | 36.3°N 120.0°E |
| Region | Zhejiang |
| Country | China |
| Extent | Huzhen Basin |
  Liangtoutang Formation (China)  Liangtoutang Formation (Zhejiang) | |
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
Ornithischians
| Ornithischians of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Jinyunpelta[2] | J. sinensis | An almost complete skull and two partial postcranial skeletons | A ankylosaurine ankylosaurid | |||
| Yueosaurus[3] | Y. tiantaiensis | Partial postcranial skeleton | A thescelosaurine thescelosaurid | |||
Theropods
| Theropods of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Therizinosauria Indet. | Indeterminate | A therizinosaur; informally known as "Tiantaisaurus sifengensis". | ||||
Oofossils
| Oofossil of the Liangtoutang Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Macroelongatoolithus | M. xixiaensis | |||||
| Pachycorioolithus | P. jinyunensis | |||||
| Testudoolithus | T. jiangi | |||||