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A Great Sea Lizard Tylosaurus Dyspelo

A Great Sea Lizard Tylosaurus Dyspelo.jpg Skeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdSkeleton of a Radiolarian Very Greatly EnlargedThumbnailsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern Bird

The finest Mosasaur skeleton ever discovered, an almost complete skeleton of Tylosaurus dyspelor, 29 feet in length, may be seen at the head of the staircase leading to the Hall of Paleontology, in the American Museum of Natural History, New York. Another good specimen may be seen in the Yale University Museum, which probably has the largest collection of Mosasaurs in existence.