Aymamón Limestone

The Aymamón Limestone is a geologic formation in Puerto Rico. It preserves fossils dating back to the Middle to Late Miocene period.

Fossil content
Various fossils have been found in the Aymamón Limestone:

Sharks

 * Megalodon

Bivalves

 * Acar domingensis
 * Arca imbricata
 * Mimachlamys canalis

Gastropods

 * Bulla umbilicata
 * Chicoreus (Triplex) cornurectus
 * Hindsiclava consors
 * Orthaulax aguadillensis
 * Orthaulax portoricoensis
 * Vokesimurex messorius

Corals

 * Agaricia sp.
 * Favia sp.
 * Goniopora sp.
 * Meandrina (Placocyathus) sp.
 * Montastraea sp.
 * Porites sp.
 * Siderastrea sp.
 * Solenastrea sp.
 * Stephanocoenia sp.
 * Stylophora sp.