Glyptops plicatulus



Glyptops probably lived in or near water like many modern turtles

The best-preserved shell of Glyptops comes from the Carnegie Quarry

Glyptops is Greek for “grooved face”

William D. Berry's artwork depicting Glyptops floating in water.
William D. Berry’s artwork depicting Glyptops floating in water.

Glyptops plicatulus is a species of turtle from the quarry at Dinosaur National Monument. Two specimens were excavated from the Carnegie Quarry by Earl Douglass in 1913 and described as a new species Glyptops utahensis. This species was later determined to be invalid because Gilmore’s diagnostic feature was the shape of the shell, which was not a distinctive feature since turtle shells are often misshapen due to deformation (Gaffney, 1979).During the removal of overburden in the temporary quarry shelter, a juvenile specimen was collected by Ted White (White, 1955).

Specimens of Glyptops plicatulus from the Carnegie Quarry:

DINO_496 Glyptops displayed in the Quarry Exhibit Hall, Dinosaur National Monument.
DINO_496 Glyptops displayed in the Quarry Exhibit Hall, Dinosaur National Monument.

Gilmore, C.W. 1916. Description of a new species of tortoise from the Jurassic of Utah. Annals of the Carnegie Museum, vol. 10 no. 1-2, art. 1, pp. 7-12.

Gaffney, E.S. 1979. Jurassic turtles of North America. Bulletin of the American Museum of Natural History. vol. 162, art. 3.

Information to be added as it becomes available

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