User:Abyssal/Prehistory of North America/DYK/11

... that New York's Potsdam Sandstone was deposited in rising seas and consists of sediments eroded from unvegetated terrestrial landscapes?
... that Termitaradus protera was the first termite bug found in amber?
... that both Fordilla and Pojetaia, Cambrian members of the extinct bivalve family Fordillidae, are part of the Turkish small shelly fauna?
... that although Massachusetts is located at the 42nd parallel north, some of its rocks originated near the South Pole?A
... that Ekgmowechashala was the only North American genus of primate during the Late Oligocene?

... that the hypothesis that the pachycephalosaurian dinosaurs used their domed skulls in head-butting competitions was first proposed in a work of science fiction?
...that Terminonatator ponteixensis is the type and only species described for Terminonatator, a genus of elasmosaurid plesiosaur from Late Cretaceous of Saskatchewan, Canada?
... that more than 7,000 years of artifacts have been found at the Ennis Archaeological Site in Indiana?
... that both the Adena and the Hopewell left artifacts at southwestern Ohio's Beam Farm?
... that Tikal Temple IV, a Maya pyramid in Guatemala, was one of the tallest structures in the pre-Columbian New World?