The first specimens of Utahraptor were found in 1975 by Jim Jensen in the Dalton Wells Quarry of Utah, near the town of Moab, but did not receive much attention.

The American scientist Jim Jensen found the first Utahraptor remains in 1975. But the dinosaur wasn't studied in detail until 1991, when another group of researchers - James Kirkland, Robert Gaston and …

Jul 30, 2025 · Utahraptor was officially discovered in 1991 in the state of Utah, hence the name. The fossil was uncovered by paleontologist Jim Kirkland and his team, and it immediately reshaped how …

Aug 26, 2025 · While some fragmented remains were found earlier, the 1991 find was spearheaded by a team including James Kirkland, Robert Gaston, and Donald Burge, following an initial find of a large …

Utahraptor was first brought to scientific attention after Carl Limone discovered a large claw in October 1991 in Grand County, Utah.

Utahraptor specimens were initially discovered in the Dalton Wells Quarry in 1975 by Jim Jensen James Kirkland, Robert Gaston, and Donald Burge discovered Utahraptor in the Cedar Mountain Formation …

Jul 1, 2022 · The sickle claw of Utahraptor found at Gaston Quarry in October 1991, here seen in-situ within the rock before it was excavated. Photo courtesy of Dr. James I. Kirkland, image used with …

Mar 6, 2026 · From its dramatic fossils buried in Utah’s rock formations to the insights it provides about dinosaur evolution, Utahraptor has become one of the most fascinating predators ever uncovered. …

The first evidence of Utahraptor was discovered in 1975 in Dalton Wells, but it wasn’t until 1993 that paleontologist Jim Kirkland and his team gathered additional fossils and formally named the species.

Oct 13, 2025 · Utahraptor’s bones were found in 1991 in Utah’s Cedar Mountain Formation and formally described in 1993 — the same year Jurassic Park hit cinemas. Paleontologist James Kirkland, who …