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

Zhejiang ) , translit_lang1_type2 = , translit_lang1_info2 = ( Hangzhounese) ( Ningbonese) (Wenzhounese) , image_skyline = 玉甑峰全貌 - panoramio.jpg , image_caption = View of the Yandang Mountains , image_map = Zhejiang i ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. Its strata date back to the

Albian The Albian is both an age (geology), age of the geologic timescale and a stage (stratigraphy), stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early Cretaceous, Early/Lower Cretaceous epoch (geology), Epoch/s ...

Cenomanian The Cenomanian is, in the International Commission on Stratigraphy's (ICS) geological timescale, the oldest or earliest age (geology), age of the Late Cretaceous epoch (geology), Epoch or the lowest stage (stratigraphy), stage of the Upper Cretace ...

stages of the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

period, between 105.9 and 96 million years ago.Liangtoutang Formation
at

Fossilworks Fossilworks was 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 cr ...

.org The lithology primarily consists of red

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

Fossil content

Dinosaurs

Ankylosaurs

Ornithopods

Eggs

References

Bibliography

* * * * {{citation , last1=Jin , first1=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 , issue=1 , pages=81–88, doi=10.1139/e06-077 , bibcode=2007CaJES..44...81J Geologic formations of China Lower Cretaceous Series of Asia Cretaceous China Albian Stage Cenomanian Stage Sandstone formations Lacustrine deposits Ooliferous formations Paleontology in Zhejiang