conch varieties archeo collection.jpg (IMAGE) Smithsonian Tropical Research Institute Caption Caracoles excavados en el sitio arqueológico, Sitio Drago, en Bocas del Toro, Panamá. Alexis Sullivan pudo extraer de estos ADN (de hace aproximadamente 1,000 años). Credit Alexis Sullivan Usage Restrictions Please credit Alexis Sullivan License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.