Aymamón Limestone

The Aymamón Limestone is a geologic formation in Puerto Rico. It preserves fossils dating back to the Middle to Late Miocene period.^[1]

Aymamón Limestone
Stratigraphic range: Mid-to-Late Miocene ~16.0–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Lithology
Primary	Limestone
Other	Chalk
Location
Coordinates	18.5°N 67.0°W / 18.5; -67.0
Approximate paleocoordinates	18.4°N 66.0°W / 18.4; -66.0
Region	Caribbean
Country	Puerto Rico
Aymamón Limestone (Puerto Rico)

Fossil content

Various fossils have been found in the Aymamón Limestone:^[2]

Sharks

• Megalodon^[3]

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.

See also

• List of fossiliferous stratigraphic units in Puerto Rico