Late carboniferous-early permian taphofloras from northeastern Paraná basins's glacial succession in Brazil and comparisions to the argentine record - Bernardes-de-Oliveira, Mary Elizabeth Cerruti; Rohn, Rosemarie; Souza, Paulo Alves de; Zampiriolli, Francisco de Assis; Ricardi-Branco, Frésia; Iannuzzi, Roberto; Longhim, Marcia Emilia; Lages, Leandra Costa; Rösler, Oscar (Simposio Argentino Paleozoico Superior, 2001)