Goldberg Coins and Collectibles

Sale 82

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Lot 1478

Pair of Dinosaur Footprints. This pair of rare fossil dinosaur footprints are a dark brown in color on a 13 x 9 inch light gray shale slab containing footprints from two different bipedal theropod dinosaurs Eubrontes and Grallator. The larger dinosaur footprint is just overtop the smaller footprint looking as if the larger dinosaur was chasing the smaller one. The huge Eubrontes footprint is 12 inches long and 5.5 inches wide with all three toes deeply impressed up to 1 inch above the matrix. There is a clear claw impression on the middle toe but only about 25% of the left toe is on the matrix. Eubrontes is the name of the footprint not the name of the dinosaur that left it. The largest known dinosaur to have inhabited the Connecticut Valley of Massachusetts(near Holyoke) 200 million years ago was Dilophosaurus (made famous by the movie Jurassic Park). The footprint matches both the size and shape of the twenty foot long Dilophosaurus. The second smaller 6X4 inch foot print is know as Grallator which exact species of dinosaur that left it is still unknown although it is similar in shape and size to the meat eating dinosaur Podokesaurus, a medium sized theropod, whose partial skeleton was found in the same area. These footprints are the more highly valued positive raised impressions which preserve the most detail of the dinosaur stepping in soft mud preserving some pad and claw details. All of the theropod dinosaur footprints preserve just three toes as theropods walked on their 2nd, 3rd and 4th toes which correspond to the three middle human toes.

Add $25 for domestic shipping.
Estimated Value $600 - 900.

Realized $432

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