Universidad de Zaragoza Repository

@article{Collantes:151125,
      author        = "Collantes L. and Pereira S. and Mayoral E. and Liñán E.
                       and Gozalo R.",
      title         = "{On Callavia (Trilobita) from the Cambrian Series 2 of
                       Iberia with systematic status of the genus}",
      year          = "2021",
}