Country: USA

• Apatodon mirus

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

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• Anchisauria

  Apatosaurus ajax

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

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• Anchisauria

  Apatosaurus louisae

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

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• “Apatosaurus” minimus

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

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• Averostra

  Appalachiosaurus montgomeriensis

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

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• Aquilarhinus palimentus

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

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• Aquilops americanus

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

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• Ardetosaurus viator

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

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• Arkansaurus fridayi

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

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• Astrodon johnstoni

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

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