Lioplax Lioplax cyclostomatiformis Cahaba River National Wildlife Refuge List of the prehistoric life of Michigan Lynches River Viviparidae Lacy elimia List of vulnerable molluscs Gastropod shell List of least concern molluscs List of vulnerable invertebrates List of the Cenozoic life of Washington IUCN Red List vulnerable species (Animalia) List of non-marine molluscs of the United States