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.
In rocks we trust. Amen.
Utah Geological Survey
1594 West North Temple, Suite 3110Salt Lake City, Utah 84116
Mailing Address:
PO BOX 146100
Salt Lake City, Utah 84114
801-537-3300
Staff Directory
In maps we trust. Amen.
1594 W. North TempleSalt Lake City, Utah 84116
Hours: Monday–Friday 9 a.m. to 5 p.m.
Visit Online Store
