Argentinosaurus
From Wikimedia Commons, the free media repository
Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Classis: Reptilia • Subclassis: Diapsida • Divisio: Archosauria • Superordo: Dinosauria • Infraordo: Sauropoda • (Unranked): Titanosauria • Genua: Argentinosaurus
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