Coniophis Marsh 1892 (snake)

Reptilia - Squamata

Full reference: O. C. Marsh. 1892. Notice of new reptiles from the Laramie Formation. American Journal of Science 43:449-453

Parent taxon: Alethinophidia according to K. T. Smith 2013

See also Augé and Rage 2006, Bryant 1989, Carroll 1988, Estes 1964, Estes 1976, Estes and Berberian 1970, Gardner and Cifelli 1999, Hecht 1959, Longrich et al. 2012, Longrich et al. 2012, Marsh 1892 and Nydam 2002

Sister taxa: Acrochordoidea, Aniliidae, Anilioidea, Cerberophis, Cylindrophiidae, Henophidia, Itaboraiophis, Macrostomata, Nigerophiidae, Palaeophiidae, Paulacoutophis, Simoliopheoidea, Tuscahomaophis

Subtaxa: Coniophis carinatus Coniophis cosgriffi Coniophis dabiebus Coniophis platycarinatus Coniophis precedens

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Type: Coniophis precedens

Ecology: fossorial carnivore

Distribution:

• Eocene of France (7 collections), Morocco (1), United States (4: North Dakota, Wyoming)

• Paleocene to Eocene of Brazil (1), Peru (1)

• Paleocene of Bolivia (1), Morocco (1), United States (1: Montana)

• Cretaceous of Canada (3: Alberta, Saskatchewan), India (1), Sudan (1), United States (13: Montana, New Mexico, Utah, Wyoming)

Total: 35 collections including 38 occurrences

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