Tommy Sørensen Tommy Sørensen @tommy-srensen ActivityProfile3DFriendsSpecimensGroupsForumsFiles PersonalMentionsFavoritesFriendsGroups Tommy Sørensen joined the group What is it? 4 years ago 4 years ago 4 years ago Tommy Sørensen joined the group University of Michigan Museum of Paleontology 4 years ago 4 years ago 4 years ago Tommy Sørensen became a registered member 4 years ago 4 years ago 4 years ago