Super-Spiky Ancient Worm Makes Its Debut
nationalgeographic.com
From fantastical to frightening, the animals of the Cambrian Period—beginning about 540 million years ago—tantalize the imagination. And they just keep getting weirder.
LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.
