DINOSAUR, Colo. – On Friday, paleontologists and crews removed dinosaur fossils from a parking lot construction site in Dinosaur National Monument.

According to the National Parks Services, the fossils were originally found on Sept. 16, 2025, when construction crews removed a portion of asphalt.

After the discovery was made, construction was paused, and paleontologists were allowed access to the fossil. They now believe the fossils belong to a large, long-necked dinosaur, most likely Diplodocus. 

The discovery was made near Quarry Exhibit Hall, making it the first fossil excavations at this location since 1924.

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