Bogan, Sergio, and Federico L. Agnolin. 2010. “ First Marine Ichthyofauna from the Upper Cretaceous (Jaguel Formation; Maastrichtian) from Río Negro Province, Argentina ”. Papéis Avulsos De Zoologia 50 (12): 175-88. https://doi.org/10.1590/S0031-10492010001200001.