Young, M., Dufeau, David, Brusatte, S., Bowman, C., Cowgill, T., Schwab, J., Witmer, L., Herrera, Y., Katsamenis, O., Steel, L., and Rigby, M.
Descrizione:
Thalattosuchian crocodylomorphs were a ubiquitous component of shallow marine ecosystems during the Jurassic and Early Cretaceous. Alas, their origins remain a mystery. Here we describe three specimens from the Sinemurian (and...