User:Abyssal/Prehistory of North America/DYK/22


 * ... that Yaxha, the third largest Maya ruin in Guatemala, is one of very few Maya cities to have built a twin pyramid complex, an architectural arrangement characteristic of Tikal?
 * ... that the extinct Lotus Nelumbo aureavallis is known from Eocene rocks in western North Dakota?
 * ... that three Adena burial mounds (one pictured) are scattered around the village of Zaleski, Ohio?
 * ... that cycloids are believed to have been driven to extinction when crabs spread across their territory?
 * ... that the extinct Cuban condor Gymnogyps varonai may have fed on ground sloths?
 * ... that seeds of the extinct tree Eucommia montana are found from British Columbia to Colorado?
 * ... that Mill Creek chert was one of the major exported raw materials of the Mississippian culture?
 * ... that the only known specimen of the early crocodile relative Stegomosuchus was kept in the discoverer's yard for several years before being given over for study?
 * ... that the king of gore and the monstrous murderer lived in Utah 80 and 75 million years ago respectively?
 * ... that the extinct paddlefish Paleopsephurus was first described from the Cretaceous Hell Creek Formation?