PaleoDB taxon number: 334096
Full reference: M. W. Caldwell, R. L. Nydam, A. Palci and S. Apesteguía. 2015. The oldest known snakes from the Middle Jurassic-Lower Cretaceous provide insights on snake evolution. Nature Communications 6(5996):1-11
Sister taxa: none
Type specimen: NHMUK R12355, NHMUK R12354, NHMUK R12370 (syntypes), a partial skull (symphyseal portion of right dentary, midsection right dentary, posterior portion right dentary respectively). Its type locality is Kirtlington 3p (Mammal Bed), which is in a Bathonian mire/swamp marl in the Forest Marble Formation of the United Kingdom.