Yangchuanosaurus shangyouensis Variant:Primed Its hind legs were long DC-1133-115-IMPRI Variante:Sin imprimar En la parte superior skull
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Yangchuanosaurus shangyouensis Variant:Primed Its hind legs were long DC 1133 115 IMPRI Variante:Sin imprimar En la parte superior skull Its hind legs were long and powerful su descubrimiento proporcionó pruebas sólidas de la relación evolutiva entre los dinosaurios y las aves