North America

  • Tyrannosaurus rex

    Dinosaur Tyrannosaurus rex: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

  • Ugrosaurus olsoni

    Dinosaur Ugrosaurus olsoni: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Ugrunaaluk kuukpikensis

    Dinosaur Ugrunaaluk kuukpikensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Ultrasauros macintoshi

    Dinosaur Ultrasauros macintoshi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Unescoceratops koppelhusae

    Dinosaur Unescoceratops koppelhusae: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Utahceratops gettyi

    Dinosaur Utahceratops gettyi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Utahraptor ostrommaysorum

    Dinosaur Utahraptor ostrommaysorum: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Velafrons coahuilensis

    Dinosaur Velafrons coahuilensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Venenosaurus dicrocei 

    Dinosaur Venenosaurus dicrocei : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Wendiceratops pinhornensis

    Dinosaur Wendiceratops pinhornensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references