E.  Savazzi, ?Functional morphology and autecology of Pseudoptera (bakevelliid bivalves, Upper Cretaceous of Portugal)?, Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 46, pp. 313-324, 1984.

E.  Savazzi, ?Functional morphology and autecology of Pseudoptera (bakevelliid bivalves, Upper Cretaceous of Portugal)?, Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 46, pp. 313-324, 1984.