Iannuzzi, R., Vieira, C. E. L., Guerra-Sommer, M., Diaz-Martinez, E., & Grader, G. W. (2004). Permian plants from the Chutani Formation (Titicaca Group, northern Altiplano of Bolivia): II. The morphogenus Glossopteris.

Iannuzzi, Roberto, Carlos Eduardo Lucas Vieira, Margot Guerra-Sommer, Enrique Diaz-Martinez, and George W. Grader. Permian Plants From the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): II. The Morphogenus Glossopteris. 2004.

Iannuzzi, Roberto, et al. Permian Plants From the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): II. The Morphogenus Glossopteris. 2004.