Saharan Seaway Reconstruction (IMAGE) American Museum of Natural History Caption During the Late Cretaceous-early Paleogene, the shallow waters of the Trans-Saharan Seaway waters were teeming with aquatic species which ranged from small mollusks to giant sea snakes and catfish. Credit © Carl Buell Usage Restrictions Can be used with appropriate credit 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.