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Author: WikiMatrix
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English[en]
Because the name Tylosteus predates Pachycephalosaurus, according to the International Code of Zoological Nomenclature Tylosteus would normally be preferred.
Norwegian[nb]
Fordi navnet Tylosteus kom før Pachycephalosaurus, vil i henhold til International Code of Zoological Nomenclature, Tylosteus normalt bli foretrukket.