Brito, P.M. & Séret, B. (1996)
The new genus Iansan (Chondrichthyes, Rhinobatoidea) from the Early Cretaceous of Brazil and its phylogenetic relationships.
In G. Arratia & G. Viohl (Eds.), Mesozoic Fishes 1 – Systematics and Paleoecology (pp. 47–62). Verlag Dr. Friedrich Pfeil