Dan Zimmerman joined the group Cincinnatian Collectors 10 months, 2 weeks ago

Dan Zimmerman joined the group Virginia and West Virginia Fossil Collecting 10 months, 2 weeks ago

Dan Zimmerman joined the group SoCal Paleo 10 months, 2 weeks ago

Dan Zimmerman joined the group University of Michigan Museum of Paleontology 10 months, 2 weeks ago

Dan Zimmerman joined the group Numinous Cnidaria 10 months, 2 weeks ago

Dan Zimmerman joined the group Mollusc Mania 10 months, 2 weeks ago

Dan Zimmerman joined the group Imaging and Digitization for Avocational Paleontologists Workshop 10 months, 2 weeks ago

Dan Zimmerman joined the group iDigFossils Thomas Farm Dig 10 months, 2 weeks ago

Dan Zimmerman joined the group iDigFossils Montbrook Dig 10 months, 2 weeks ago

Dan Zimmerman joined the group Education and Outreach 10 months, 2 weeks ago

Dan Zimmerman joined the group Coastal N.C. 10 months, 2 weeks ago

Dan Zimmerman joined the group Cincinnatian Collectors 1 year ago

Dan Zimmerman joined the group Bodacious Brachiopods 1 year, 2 months ago

Dan Zimmerman joined the group Paleoart Appreciation 1 year, 2 months ago

Dan Zimmerman joined the group What is it? 1 year, 2 months ago

Dan Zimmerman joined the group Shocking Shark Teeth 1 year, 2 months ago

Dan Zimmerman joined the group Paleo Pics 1 year, 2 months ago

Dan Zimmerman joined the group Astonishing Arthropods 1 year, 2 months ago