Theresa Mayer Theresa Mayer @theresa-mayer Iowa, North America ActivityProfile3DFriendsSpecimensGroupsForumsFiles Showing specimens 1 to 3 of 3.mFeM 124556Theresa Mayerst Benedict, iowageochron unknowntaxon unknownmFeM 59119Theresa MayerLe Grand, Iowageochron unknownRugosamFeM 48565Theresa MayerLe Grand , IowaMississipianRugosa