El Mamey Formation

The El Mamey Formation is a geologic formation in the Dominican Republic. The formation consists of shales and sandstones interspersed with a conglomerate of well-rounded pebbles, deposited in a fluvio-deltaic environment. El Mamey Formation is one of the formations containing Dominican amber and preserves fossils dating back to the Burdigalian to Langhian period.

Fossil content

 * Palaeoraphe dominicana
 * Roystonea palaea
 * Sphaerodactylus ciguapa, S. dommeli
 * Trithrinax dominicana
 * Eleutherodactylus sp.
 * Chilopoda indet.
 * Diptera indet.