Conservation Assessments Inititated Amphibians and Reptiles / Birds / Fish / Insects / Invertebrates / Mammals / Mollusks / Non-Vascular Plants / Plants / Communities and Species Groups MOLLUSKS Antrobia culveri Tumbling Creek Cavesnail Arcidens confragosus Rock Pocketbook Carychium exile Ice Thorn Catinella exile Land Snail Cumberlandia monodonta Spectacle Case Cyprogenia aberti Western Fanshell Epioblasma triquetra Snuffbox Euconulus alderi Land Snail Euchemotrema hubrichti Carinate Pillsnail Fontigens tartarea Organ Cavesnail Lampsilis fasciola Wavyrayed Lampmussel Lampsilis teres Yellow Sandshell Lasmigona compressa Creek Heelsplitter Lasmigona costata Fluted-shell Mussel Ligumia recta Black Sandshell Obovaria jacksoniana Southern Hickorynut Obovaria subrotunda Round Hickorynut Plethobasus cyphyus Sheepnose Pleurobema cordatum Ohio Pigtoe Pleurobema rubrum Pyramid Pigtoe Ptychobranchus occidentalis Ouachita Kidneyshell Quadrula cylindrica cylindrica Rabbitsfoot Simpsonaias ambigua Salamander Mussel Stenotrema (=Euchemotrema) hubrichti Carinate Pillsnail Toxolasma lividus Purple Liliput Toxolasma parvus Lilliput Vallonia gracilicosta albula Snail Venustaconcha ellipsiformis Ellipse Vertigo bollesiana Delicate Vertigo Vertigo morsei Six Whorl Vertigo Vertigo paradoxa Mystery Vertigo Villosa lienosa Little Spectaclecase