Jacob Q. M. Polzin Jacob Q. M. Polzin @jacob-polzin Northern Virginia ActivityProfile3DFriendsSpecimensGroupsForumsFiles Topics StartedReplies CreatedEngagementsFavorites Search topics: Topics Engaged In Viewing 2 topics - 1 through 2 (of 2 total) Topic Voices Posts Last Post Triassic vertebrates from eastern North America Started by: Hans-Dieter Sues in: Ideas for New Forums 4 5 3 years, 8 months ago Jacob Q. M. Polzin Potential Triassic Ichnofossil from the Culpeper Basin Started by: Jacob Q. M. Polzin in: What Is It? 1 4 3 years, 8 months ago Jacob Q. M. Polzin Viewing 2 topics - 1 through 2 (of 2 total)