The Jiaguan Formation is a
Lower Cretaceous
Lower may refer to:
*Lower (surname)
*Lower Township, New Jersey
*Lower Receiver (firearms)
*Lower Wick
Lower Wick is a small hamlet located in the county of Gloucestershire, England. It is situated about five miles south west of Dursley, eight ...
geologic
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondar ...
in China. Its lithology is described as consisting of "alternating thick purple red sandstone layers and thin purple red mudstone and siltstone layers, and bottom layers of thick conglomerate"
Fossil
ornithopod
Ornithopoda () is a clade of ornithischian dinosaurs, called ornithopods (), that started out as small, bipedal running grazers and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world ...
tracks have been reported from the formation.
[Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.]
The known fossil localities include the Lotus Fortress, the type locality of
''Caririchnium lotus'' and ''Wupus agilis'' ichnotaxa.
See also
*
List of dinosaur-bearing rock formations
This list of dinosaur-bearing rock formations is a list of geologic formations in which dinosaur fossils have been documented.
Containing body fossils
* List of stratigraphic units with dinosaur body fossils
** List of stratigraphic units with few ...
**
List of stratigraphic units with ornithischian tracks
***
Ornithopod tracks
Footnotes
References
* Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .
{{China-geologic-formation-stub
Lower Cretaceous Series of Asia
Barremian Stage
Aptian Stage
Albian Stage