 Inland stromatolites can also be found in saline waters in Cuatro Ciénegas, a unique ecosystem in the Mexican desert, and in Lake Alchichica, a maar lake in Mexico's Oriental Basin.The only open marine environment where modern stromatolites are known to prosper is the Exuma Cays in the Bahamas.In 2010, a fifth type of Chlorophyll, namely Chlorophyll f, was discovered by Dr. Min Chen from stromatolites in Shark Bay.