Gangamopteris
Gangamopteris is a genus of Carboniferous-Permian plants, very similar to "Glossopteris". Previously, it was classified as fern with reproduction by seed. The genus is usually only applied to leaves, making it a form taxon. "Gangamopteris" dominates some coal deposits, such as those of the Beacon Supergroup. In Paleorrota geopark in Rio Grande do Sul, Brazil, were found "Gangamopteris obovata". Were located on the Mina "Morro do Papaléo" in Mariana Pimentel and "Quitéria" in Pantano Grande. Dating from the Permian and were in the Rio Bonito Formation. In the town of Cachoeira do Sul, met "Gangamopteris sulriograndensis" were discovered