Otero, R.A. & Bravo, C.F. & Soto-Huenchuman, P. & Fernandez-Collemann, S. & Valenzuela-Toro, A.M. & Gutstein, C.S. (2021)
First record of chimaeroid fish Ischyodus from the Upper Jurassic of southwestern Gondwana.
Acta Palaeontologica Polonica, 66(3), 623–630 DOI: 10.4202/app.00859.2020