''Mengshanosaurus'' is an
extinct genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
choristodere from the
Early Cretaceous
The Early Cretaceous (geochronological name) or the Lower Cretaceous ( chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 145 Ma to 100.5 Ma.
Geology
Pr ...
Meng-Yin Formation of
China. The type and only known species is ''M. minimus,'' known from a juvenile skull, around 3.5 cm long. It was found to be the basalmost
neochoristodere.
References
{{Eureptilia, S.
Choristodera
Prehistoric reptile genera
Fossil taxa described in 2021