User:Abyssal/Prehistory of North America/DYK/23


 * ... that the extinct witch-hazel Langeria is named for American philosopher Susanne Langer?
 * ... that the extinct Miocene hickory Carya washingtonensis is known from over 50 nuts found as a rodent cache within a petrified stump?
 * ... that the 60 million years old Carmelo Formation (pictured) is made out of thousands of layers of volcanic pebbles, sandstone and mudstone with fossils?
 * ... that the Late Eocene marine Hoko River Formation is noted for producing crab, gastropod, cephalopod, and wood fossils?
 * ... that an early nineteenth-century Native American man refused to ascend Spanish Hill because he feared a spirit that "made holes through Indians' bodies"?
 * ... that Okmulgee State Park (pictured) in Oklahoma is one of only a few places in the world where the fossil coral Gymnophyllum wardi is found?
 * ... that the extinct mantidfly Dicromantispa electromexicana was described from a solitary male insect?
 * ...that the earliest fossil reef formations that show high biodiversity, containing the earliest corals, form the mid-Ordovician Chazy Formation, reaching from Tennessee to Labrador?
 * ... that the Sterling Hill Mining Museum (pictured) and the nearby Franklin Mine together have over 345 minerals, including 90 that fluoresce and 35 that are found nowhere else?
 * ... that Aquilops ("eagle face") is the most ancient definite neoceratopsian discovered in North America?