ammonites
Lithophis Marsh 1871 (boa)

Vertebrata - Ophidia - Boidae

Full reference: O. C. Marsh. 1871. Description of some new fossil serpents, from the Tertiary deposits of Wyoming. The American Journal of Science and Arts, series 3 1(5):322-329

Parent taxon: Boidae according to R. L. Carroll 1988

Sister taxa: Boinae, Cadurcoboa, Cheilophis, Daunophis, Dawsonophis, Hechtophis, Neurodromicus, Palaeopython, Paleryx, Plesiotortrix, Totlandophis, Eryx, Bransateryx, Albaneryx, Huberophis, Pterygoboa, Cadurceryx, Gaimanophis, Charina, Lichanura, Geringophis, Tregophis, Calamagras, Ogmophis, Gongylophis

Subtaxa: Lithophis sargenti

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Type: Lithophis sargenti

Ecology: fossorial carnivore