Marginocephalia

  • Sierraceratops turneri

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

  • Sinocephale bexelli

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

  • Sinoceratops zhuchengensis 

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

  • Sphaerotholus buchholtzae

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

  • Sphaerotholus edmontonensis

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

  • Sphaerotholus goodwini

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

  • Sphaerotholus lyonsi

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

  • Sphaerotholus triregnum

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

  • Spiclypeus shipporum

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

  • Spinops sternbergorum

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