Paleontologists have identified the world’s biggest-known dinosaur foot | Science News

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Paleontologists have ID’d the world’s biggest known dinosaur foot

A newly described fossil, measuring nearly a meter wide, may have belonged to a brachiosaur

By
7:00am, July 24, 2018
brachiosaur

BIGFOOT  The largest dinosaur foot fossil yet found may belong to a long-necked brachiosaur (illustrated) from the late Jurassic Period.

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One dino is putting its biggest foot forward.

A nearly meter-wide fossilized dinosaur foot, unearthed 20 years ago from mudstone in northeastern Wyoming, is the largest yet found, an international team of researchers reports July 24 in PeerJ.

The rest of the dino’s skeleton has yet to be identified, but the size and shape of the foot bones indicate that it once belonged to a brachiosaur. These long-necked herbivores lived about 150 million years ago, during the late Jurassic Period.

“These things were just huge,” says study coauthor David Burnham, a paleontologist at the University of Kansas Biodiversity Institute and Natural History Museum in Lawrence. He estimates that the new dino — nicknamed Bigfoot — may have been about 30 meters long, or roughly the length of a blue whale.

During the late Jurassic, brachiosaurs in North America inhabited parts of what’s now Colorado, Utah and southern Wyoming. Bigfoot’s northeastern Wyoming digs indicate that brachiosaurs roamed farther than previously thought, Burnham says.

Citations
Further Reading

C. Gramling. Long-necked dinosaurs grew to be giants in more ways than one. Science News Online, July 10, 2018.

K. Baggaley. Brontosaurus deserves its name, after allScience News. Vol. 187, May 2, 2015, p. 14.

M. Rosen. World’s largest dinosaur discovered. Science News Online, September 4, 2014.

S. Perkins. Small ancestor of giant sauropods unearthed. Science News Online, November 10, 2009.

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