size after the Cretaceous–Paleogene extinction event. Other reptiles include soft-shelled turtles, varanid lizards, a small alligatorid called Wannaganosuchus, palaeophid snakes, and the snapping turtle-like Protochelydra zangerli. Birds from Wannagan include an ibis, an unnamed water bird, and a plover-like shore bird. The two types amphibians found at Wannagan are the giant salamander Piceorpeton willwoodense and frogs. Fish include fossil Esox, freshwater rays, gar, and bowfin. Additionally, the dragonfly Gomphaeschna schrankii and the mayfly Ephemeropteran have been found. Flora The flora of Wannagan is quite well preserved in some cases, with evidence of insect feeding found on many fossils. Most of the fossils have modern equivalents. The list of trees at Wannagan Creek include palms, ginkgo trees, bald cypress, dogwoods, oaks, elms, fig trees, magnolias, dawn redwoods, hackberries, sassafras, sycamores, cherries, mulberries, and cycads. Additional plants found at the site are grape vines, lotus, bur-reeds, cattails, and water-plantago. See also List of fossil sites (with link directory) External links North Dakota Geological Survey Paleontology of Theodore Roosevelt National Park The National Park Service Theodore Roosevelt National Park's Paleontology Paleobiology Database: Wannagan Creek Quarry: Tiffanian, North Dakota Paleobiology Database: One Mile North of Wannagan Creek Quarry: Late/Upper Paleocene, North Dakota Paleocene Cenozoic paleontological sites of North America Paleontology in North Dakota 1969 in paleontology