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A Tooth of Zeuglodon, One of the 'Yoke Teeth,' from which it derives the name

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A Tooth of Zeuglodon, One of the 'Yoke Teeth,' from which it derives the name.jpg A Single Vertebra of BrontosaurusThumbnailsArchæopteryxA Single Vertebra of BrontosaurusThumbnailsArchæopteryxA Single Vertebra of BrontosaurusThumbnailsArchæopteryxA Single Vertebra of BrontosaurusThumbnailsArchæopteryxA Single Vertebra of BrontosaurusThumbnailsArchæopteryx

The best Zeuglodon, the first to show the vestigial hind legs and to make clear other portions of the structure, is in the United States National Museum