Permian non-marine bivalves of the Falkland Islands and their palaeoenvironmental significance - Simões, Marcello Guimarães; Quaglio, Fernanda; Warren, Lucas; Anelli, Luiz Eduardo; Stone, Philip; Riccomini, Claudio; Grohmann, Carlos Henrique; Chamani, Marlei A. C (Alcheringa, 2012)