Temporal range: 359.2–199 Ma
Cordaicarpus is a form genus named by Geinitz (1862), but was redefined by Seward (1917) to avoid confusion with another genus, and establishing that the genus refers only seeds. Seward defined the differences between Cordaicarpus and Samaropsis.
In Brazil fossil species C. brasilianus, C. fanatinensis and C. truncata, are located in outcrop Morro Papaléo in the city of Mariana Pimentel. The species C. cerronegrensisi was located inn outcrop Mina Faxinal in the city of Arroio dos Ratos. They are in the geopark Paleorrota in Rio Bonito Formation and date from the Sakmarian stage of the Permian.
- Juliane Marques De Souza and Roberto Iannuzzi (2009), "The Genus Cordaicarpus Geinitz In The Lower Permian Of The Paraná Basin, Rio Grande Do Sul, Brazil" (PDF), Revista Brasileira De Paleontologia, 12 (1)
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