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.

El Mamey Formation
Stratigraphic range: Burdigalian-Langhian
Type	Formation
Lithology
Primary	Shale, sandstone, conglomerate
Other	Dominican amber
Location
Coordinates	19.5°N 70.7°W / 19.5; -70.7
Approximate paleocoordinates	19.3°N 69.5°W / 19.3; -69.5
Country	Dominican Republic
El Mamey Formation (the Dominican Republic)

Fossil content

See also: Dominican amber

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

See also

• List of fossiliferous stratigraphic units in the Dominican Republic
• La Toca Formation
• Baitoa Formation
• Cercado Formation

Further reading

• G. O. Poinar, Jr. and D. C. Canatella. 1987. An upper Eocene frog from the Dominican Republic and its implication for Caribbean biogeography. Science 237:1215-1216