Cappetta, H. (1991)
Late Cretaceous selachian faunas from Bolivia: new data and summary. Revista Tecnica de Yacimientos Petroliferos Fiscales Bolivianos, 12(3–4), 435–440
Gayet, M. & Marshall, L.G. & Sempere, T. (1991)
The Mesozoic and Paleogene vertebrates of Bolivia and their stratigraphic context: a review. Revista Tecnica de Yacimientos Petroliferos Fiscales Bolivianos, 12(3–4), 393–433