North America

  • Maiasaura peeblesorum

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

  • Malefica deckerti

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

  • “Maltaceratops hammondorum”

    Dinosaur “Maltaceratops hammondorum”: scientific and paleontological classification, description, dimensions, length, weight, temporal range, fossils, references

  • Maraapunisaurus fragillimus

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

  • Marshosaurus bicentesimus 

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

  • Martharaptor greenriverensis

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

  • Medusaceratops lokii

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

  • Menefeeceratops sealeyi

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

  • Mercuriceratops gemini

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

  • “Microcephale”

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