Delvene, G. & R. Araujo. 2009. Protopleurobema: a new genus of freshwater bivalve from the Lower Cretaceous of the Cameros basin (NW Spain). Journal of Iberian Geology 35(2): 169-178. Available electronically.
Delvene & Araujo, 2009. J. Iberian Geol. 35(2): 170.
Type species: Unio numantinus Palacios & Sánchez, 1885 (orig. desig.) = Protopleurobema numantinus