User:Abyssal/Prehistory of North America/DYK/10


 * ...that J. Harlan Bretz's  theories on the origins of the Channeled Scablands started a forty year debate between neocatastrophist and uniformitarianist geologists?
 * ... that the extinct Protosialis casca is one of only two known alderflies from the West Indies?
 * ... that the extinct fern species Osmunda wehrii was named in honor of Northwest school painter and amateur paleobotanist Wesley C. Wehr?
 * ... that the fossil pelican Pelecanus schreiberi from North Carolina was possibly the largest species of pelican ever?
 * ... that the fossil ant Aphaenogaster praerelicta is entombed in amber with three flies, two springtails, and a wasp?
 * ... that the extinct sweat bee genus Oligochlora contains six species all known from the Dominican amber deposits on Hispaniola?
 * ... that Deicke and Millbrig bentonite layers in eastern United States were formed by huge volcanic eruptions?
 * ... that the oldest known member of the mayfly family Neoephemeridae is the Eocene species Neoephemera antiqua?
 * ... that fossils of the extinct reptile Acallosuchus were found in a cigar box in 1983?
 * ... that the ancient city of Tikal (pictured) in Guatemala was one of the most powerful kingdoms of the ancient Maya civilization?