User:Abyssal/Prehistory of North America/DYK/54
- ... that for most of its history, Ixtonton was the most important Maya city in the upper Mopan Valley of Guatemala?
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- ... that historical therizinosaur research misinterpreted these unusual bird-like herbivorous dinosaurs as giant turtles, semiaquatic fish-eaters, and tree-climbing insectivores?