Intact Plesiosaur Skeleton Juan Daniel

                                            Intact Plesiosaur Skeleton 
How old it is:
The fossil dating from 180 million years ago as indicated by the ammonites associated with it measured 1.5 metres (4 ft 11 in) in length and may be related to Rhomaleosauru It is probably the best preserved

When it was unearthed:
One of the oldest and most complete plesiosaur fossils recovered in North America, and the oldest yet discovered from the Cretaceous Period, represents a new genus of the prehistoric aquatic predator according to palaeontologists who have formally described the creature after its remains were uncovered in a mine in march 28 2008                                                                                                                                                                                          
 Where it was exuvated: 
The Plesiosauria or plesiosaur are an order or clade of extinct Mesozoic marine reptiles ... One of Turner's partial  is still preserved as specimen BMNH R.45 in the British Museum of Natural ... In 2004, what appeared to be a completely intact juvenile plesiosaur was discovered, by a local fisherman.

     Skeleton. The typical plesiosaur had a broad, flat, body and a short tail. Plesiosaurs retained their ancestral two pairs of limbs, which had evolved into large flippers. Plesiosaurs were related to the earlier Nothosauridae, that had a more crocodile-like body.
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