@article{article3cba4bf9, title = {Lycopodiopsis derbyi Renault from the Corumbataí Formation in the state of São Paulo (Guadalupian of Paraná Basin, Southern Brazil): new data from compressed silicified stems}, author = {Faria, Rafael Souza de and Ricardi-Branco, Fresia and Giannini, Paulo César Fonseca and Sawakuchi, André Oliveira and Bem, Luiz Eduardo Vieira Del}, year = {2009}, doi = {10.1016/j.revpalbo.2009.08.005}, journal = {Review of Palaeobotany and Palynology} }