The El Plan Formation is a geologic formation in Honduras. It preserves fossils probably dating back to the Middle Jurassic period.El Plan Formation at Fossilworks.org
Fossil content Brachyphyllum hondurense Phlebopteris branneri Piazopteris branneri Equisetum sp. Zamites sp.
See also List of fossiliferous stratigraphic units in Honduras
References
Further reading T. Delevoryas and S. C. Srivastava. 1981. Jurassic plants from the Department of Francisco Morazan, central Honduras. Review of Palaeobotany and Palynology 34:345-357