The First Southern Hemisphere Occurrence of the Extinct Cretaceous Sclerorhynchoid Sawfish Ptychotrygon (Chondrichthyes, Batoidea), With a Review of Ptychotrygon Taxonomy

por Begat, Arnaud, Kriwet, Jürgen, Gelfo, Javier N., Cavalli, Soledad Gouiric, Schultz, Julia A., Martin, Thomas
Publicado 2023