
Hadrosauriformes
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	Hypacrosaurus altispinusDinosaur Hypacrosaurus altispinus: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Hypacrosaurus stebingeriDinosaur Hypacrosaurus stebingeri : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Hypsibema crassicaudaDinosaur Hypsibema crassicauda: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Iguanodon bernissartensisDinosaur Iguanodon bernissartensis : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Iguanodon galvensisDinosaur Iguanodon galvensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	“Iguanodon” hilliiDinosaur "Iguanodon" hillii: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Jaxartosaurus aralensisDinosaur Jaxartosaurus aralensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Jaxartosaurus fuyunensisDinosaur Jaxartosaurus fuyunensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Jeyawati rugoculusDinosaur Jeyawati rugoculus: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Jintasaurus meniscusDinosaur Jintasaurus meniscus: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
 
				