Reference

Jose Ignacio Ruiz-Omenaca, Jose Ignacio Canudo, Penelope Cruzado-Caballero, Paola Infante, Miguel Moreno-Azanza (2005): Baryonychine teeth (Theropoda: Spinosauridae) from the Lower Cretaceous of La Cantalera (Josa, NE Spain) – Kaupia - Darmstädter Beiträge zur Naturgeschichte – 14: 59 - 63.