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The Zhidan Group is a geological
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 secondary ...
in China whose strata date back to the
Early Cretaceous The Early Cretaceous (geochronology, geochronological name) or the Lower Cretaceous (chronostratigraphy, chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 143.1 ...
. Dinosaur remains are among the fossils that have been recovered from the formation.Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 563-570. .


Vertebrate paleofauna

* ''
Psittacosaurus ''Psittacosaurus'' ( ; "parrot lizard") is a genus of extinct ceratopsian dinosaur from the Early Cretaceous of what is now Asia, existing between 125 and 105 million years ago. It is notable for being the most species-rich non-avian dinosaur ...
'' sp. * '' Sauroplites scutiger'' * '' Wuerhosaurus ordosensis''Hou Y., and Ji, S., 2017. New findings of stegosaurs from the Lower Cretaceous Luohandong Formation in the Ordos Basin, Inner Mongolia. Geological Bulletin of China 36(7): 1097-1103. * '' Huanhepterus quingyanensis'' * '' Ikechosaurus sunailinae''


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. * List of stratigraphic units with dinosaur body fossils * List of stratigraphic units with dinosaur trace fossils ** ...


References

Geologic groups of China Lower Cretaceous Series of Asia Paleontology in Inner Mongolia Cretaceous China {{PRChina-geo-stub