Keywords: Bear gulch montana sea urchin.jpg en Unknown Bear Gulch sea urchin Displayed at National Fossil Day 2011 from the collection of the University of Montana Paleontology Center Missoula 2011-10-12 own Djembayz cc-zero Uploaded with UploadWizard Unidentified Echinoidea fossils Bear Gulch Limestone National Fossil Day 2011 University of Montana Fossils of Montana |