M.-C. Buchy, K.T. Smith, E. Frey, W. Stinnesbeck, A.H. González González, C. Ifrim, J.G. López-Oliva, & H. Porras-Muzquiz. (2005). Annotated catalogue of marine squamates (Reptilia) from the Upper Cretaceous of northeastern Mexico. Netherlands Journal of Geosciences, 84, 195 - 205. https://doi.org/10.1017/S0016774600020977