The evolution of the axial skeleton intercentrum system in snakes revealed by new data from the Cretaceous snakes Dinilysia and Najash

por Garberoglio, F.F., Gómez, R.O., Simões, T.R., Caldwell, M.W., Apesteguía, S.

A new specimen with skull and vertebrae of Najash rionegrina (Lepidosauria: Ophidia) from the early Late Cretaceous of Patagonia

por Garberoglio, F.F., Gómez, R.O., Apesteguía, S., Caldwell, M.W., Sánchez, M.L., Veiga, G.