
Ankylopollexia
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	Ornithotarsus immanisDinosaur Ornithotarsus immanis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Orthomerus dolloiDinosaur Orthomerus dolloi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Osmakasaurus depressusDinosaur Osmakasaurus depressus : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Ouranosaurus nigeriensisDinosaur Ouranosaurus nigeriensis : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Owenodon hoggiiDinosaur Owenodon hoggii: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Pararhabdodon isonensisDinosaur Pararhabdodon isonensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Parasaurolophus cyrtocristatusDinosaur Parasaurolophus cyrtocristatus : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Parasaurolophus tubicenDinosaur Parasaurolophus tubicen: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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			  Parasaurolophus walkeriDinosaur Parasaurolophus walkeri : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
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	Parrosaurus missouriensisDinosaur Parrosaurus missouriensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references 
 
				