Neochoristodera

Neochoristodera Temporal range: Early Cretaceous - Eocene, 145–56 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Skeletal mount of Champsosaurus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Choristodera
Suborder:	†Neochoristodera Evans & Hecht, 1993
Genera
†Champsosaurus †Ikechosaurus †Kosmodraco[1] †Liaoxisaurus †Mengshanosaurus †Simoedosaurus †Tchoiria
Synonyms
Champsosauriformes Hay 1930

Neochoristodera is a lineage of specialised crocodile-like fully aquatic choristodere reptiles. Noted for their long jaws and large size, these animals were predominant across the Northern Hemisphere, occurring in freshwater and coastal environments across the Cretaceous and early Cenozoic.