Dan Zimmerman joined the group The Etches Collection – Museum of Jurassic Marine Life 9 months, 2 weeks ago

Dan Zimmerman joined the group Cincinnatian Collectors 2 years, 9 months ago

Dan Zimmerman joined the group Virginia and West Virginia Fossil Collecting 2 years, 9 months ago

Dan Zimmerman joined the group SoCal Paleo 2 years, 9 months ago

Dan Zimmerman joined the group University of Michigan Museum of Paleontology 2 years, 9 months ago

Dan Zimmerman joined the group Numinous Cnidaria 2 years, 9 months ago

Dan Zimmerman joined the group Mollusc Mania 2 years, 9 months ago

Dan Zimmerman joined the group Imaging and Digitization for Avocational Paleontologists Workshop 2 years, 9 months ago

Dan Zimmerman joined the group iDigFossils Thomas Farm Dig 2 years, 9 months ago

Dan Zimmerman joined the group iDigFossils Montbrook Dig 2 years, 9 months ago

Dan Zimmerman joined the group Education and Outreach 2 years, 9 months ago

Dan Zimmerman joined the group Coastal N.C. 2 years, 9 months ago

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

Dan Zimmerman joined the group Bodacious Brachiopods 3 years, 1 month ago

Dan Zimmerman joined the group Paleoart Appreciation 3 years, 1 month ago

Dan Zimmerman joined the group What is it? 3 years, 1 month ago