Class Trilobita | Rank Genus | |
Dayongia is a trilobite in the order Phacopida, that existed during the upper Ordovician in what is now China. It was described by Xiang and Ji in 1986, and the type species is Dayongia longicephala. The type locality was the Linxiang Formation, in Hunan.
References
Dayongia Wikipedia(Text) CC BY-SA