Reptilia - Squamata - Necrosauridae
Synonym: Parasaniwidae Estes 1964
Parent taxon: Anguimorpha according to K. -Q. Gao and L. -H. Hou 1996
See also Alifanov 1993, Alifanov 2000, Borsuk-Bialynicka 1984, Carroll 1988, Estes 1964, Estes 1983, Estes and Berberian 1970, Gao and Fox 1996, Kuhn 1966, Nessov 1988, Peng et al. 2001, Seiffert 1975 and Yadagiri 1986
Sister taxa: Anguiformes, Barlochersaurus, Carusioidea, Chometokadmon, Entomophontes, Hodzhakuliidae, Merkurosaurus, Monstersauria, Palaeovaranidae, Paravaranidae, Restes, Varaniformes, Xenosauridae
Subtaxa: Ekshmer Labrodioctes Melanosaurinae Necrosaurinae Necrosaurus Proplatynotia Provaranosaurus Tsagansaurus
Type: Necrosaurus
Ecology: planktonic carnivore-insectivore
Distribution:
• Oligocene of Belgium (2 collections), France (9)
• Eocene to Miocene of France (1)
• Eocene of Belgium (1), France (31), Germany (4), Spain (1), Switzerland (1), the United Kingdom (1), United States (7: California, New Mexico, Wyoming)
• Paleocene of France (1), Mongolia (1), United States (4: Montana, North Dakota, Wyoming)
• Cretaceous of Canada (1: Alberta), China (1), Mongolia (1), United States (2: Montana, Texas), Uzbekistan (1)
Total: 70 collections including 81 occurrences