Villalobos-Segura, E. & Underwood, C.J. (2020)
Radiation and divergence times of Batoidea. Journal of Vertebrate Paleontology, 40(3), Article e1777147
DOI: 10.1080/02724634.2020.1777147
Villalobos-Segura, E. & Underwood, C.J. & Ward, D.J. (2021)
The first skeletal record of the enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the Turonian of Morocco. Papers in Palaeontology, 7(1), 353–376