Wednesday, April 6 Marine fossils of North Texas and North Sulphur River with Mick Tune Mick Tune, fossil enthusiast and frequent speaker for the Dallas Paleontology Society, will share his knowledge of the Cretaceous period marine megafossils such as mosasaurs and plesiosaurs from when North Texas was immersed in the Cretaceous Sea, also known as the Western Interior Seaway, This narrow, shallow sea that spanned from what is now the Gulf of Mexico to the Arctic Ocean created the limestone, also called Austin chalk, that forms the bedrock… Read More →