The Thomonde Formation is a geologic formation in Haiti. It preserves fossils dating back to the Early to Middle Miocene period.Thomonde Formation at Fossilworks.org
See also
List of fossiliferous stratigraphic units in Haiti
References
Further reading M. J. Rathbun. 1923. Fossil Crabs from the Republic of Haiti. Proceedings of the United States National Museum 63:1-6 H. E. Vokes and E. H. Vokes. 1968. Variation in the genus Orthaulax (Mollusca: Gastropoda). Tulane Studies in Geology and Paleontology 6(2):71-84