Maisey, J.G. & Melo, J.H.G. (2005)
Some Middle Devonian (Eifelian-Givetian) fossil fish remains from the Pimenteira Formation of the Parnaiba Basin, Northeast Brazil. Arquivos do Museu Nacional, Rio de Janeiro, 63(3), 495–505

Maisey, J.G. & Arai, M. & Melo, J.H.G. (1997)
First low latitude deep-water fossil record of hexanchoid sharks from the Vraconian (uppermost Albian, Lower Cretaceous) of the Campos Basin, offshore southeastern Brazil. Anais da Academia Brasileira de Ciências, 69(1), 141–142

Janvier, P. & Melo, J.H.G. (1992)
New acanthodian and chondrichthyan remains from the Lower and Middle Devonian of Brazil. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, 1992(4), 193–206