Chad Bruce Chad Bruce @chad-bruce Michigan, United States ActivityProfile3DFriendsSpecimensGroupsForumsFiles Name Members What is it? active 45 minutes ago 2,890 members Beach Fossils active 1 week, 1 day ago 1,381 members Astonishing Arthropods active 1 week, 2 days ago 902 members Bodacious Brachiopods active 1 week, 3 days ago 748 members Bookworms active 1 week, 3 days ago 555 members University of Michigan Museum of Paleontology active 2 weeks ago 676 members Viewing 1 - 6 of 6 groups