The Liangtoutang Formation, also referred to as the Laijia Formation is a geological formation located in

Zhejiang Zhejiang ( or , ; , also romanized as Chekiang) is an eastern, coastal province of the People's Republic of China. Its capital and largest city is Hangzhou, and other notable cities include Ningbo and Wenzhou. Zhejiang is bordered by ...

, China. Its strata date back to the

Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous Epoch/ Series. Its approximate time range is 113.0 ± 1.0 Ma to 100.5 ± ...

to Cenomanian stages of the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

period.Liangtoutang Formation
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cre ...

.org The lithology primarily consists of red

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates ...

Fossil content

Dinosaurs

Other fossils

;Fossil eggs * '' Macroelongatoolithus xixiaensis''Jin et al., 2007 * '' Pachycorioolithus jinyunensis''Lawver et al., 2016 * '' Testudoolithus jiangi''

References

Bibliography

* * * * {{cite LSA , last=Jin , first=X. , first2=Y. , last2=Azuma , first3=F. D. , last3=Jackson , first4=D. J. , last4=Varricchio , year=2007 , title=Giant dinosaur eggs from the Tiantai basin, Zhejiang province, China , journal=

Canadian Journal of Earth Sciences The ''Canadian Journal of Earth Sciences'' is a monthly peer-reviewed scientific journal established in 1963, which reports current research on all aspects of the Earth sciences. It is published by NRC Research Press. The journal also publishes s ...

, volume=44 , pages=81–88 Geologic formations of China Lower Cretaceous Series of Asia Cretaceous China Albian Stage Cenomanian Stage Sandstone formations Lacustrine deposits Ooliferous formations Paleontology in Zhejiang