Othonella araguaiana (Bivalvia, Megadesmidae) from the Corumbataí Formation (Midlle Permian), Eastern Margin of the Paraná Basins: Systematic, Evolutionary and Biostratigraphic Significance - Simões, Marcello Guimarães; Anelli, Luiz Eduardo; David, Juliana Machado (Geologia USP. Série Científica, 2010)