fossils of shells of freshwater mussels are found in a mountain range
zebra_mussels is not tiny_freshwater_molluscs_from_europe. freshwater_pearl_mussel is not mollusca. freshwater_pearl_mussel is mollusca. thin_shelled_mussel is freshwater_mussel. marine_mussel is mussel. zebra_mussel is freshwater_mussel. freshwater_mussel is not mussel. pearly_shelled_mussel is freshwater_mussel. zebra_mussels is tiny_freshwater_molluscs_from_europe. freshwater_mussel is mussel.