Parabrontopodus sauropod trackway

 

Parabrontopodus

Locality: Colorado
Formation: Morrison
Dimensions: 365 cm x 109 cm
(12 feet x 3 feet 7 inches)
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Parabrontopodus

These are four consecutive pairs of hind and front footprints of a Late Jurassic sauropod from North America’s largest dinosaur tracksite on the Purgatoire River in Colorado. The track is named Parabrontopodus (meaning like Brontopodus, or the track of a brontosaur). The animal was probably a sub adult and it made a very narrow trackway for such a large animal. It was probably a Diplodocus or a relative that measured 30-50 feet long.