Alabama Snails in the Genus Leptoxis
Family Pleuroceridae
Order Architaenioglossa
Round Rocksnail Leptoxis ampla. Uncommon. Endemic to Mobile Basin. Historically found in Coosa and Cahaba rivers and tributaries. Known to still be found in some reaches of Cahaba River and three tributaries. Found in lotic habitats. Listed as threatened by the U.S. Fish and Wildlife Service. HIGH CONSERVATION CONCERN.
Agate Rocksnail Leptoxis clipeata. Extinct. Endemic to the middle reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Oblong Rocksnail Leptoxis compacta. Previous to 2012, thought to be Extinct. Endemic to Mobile Basin. Known only from the Cahaba River. Was restricted to shoal habitats. HIGHEST CONSERVATION CONCERN.
Interrupted Rocksnail Leptoxis foremani. Extirpated. Endemic to middle and upper Coosa River system, including headwater tributaries. Apparently may still be found only in Oostanaula River, Georgia. Was restricted to shoal habitats. Currently being reintroducted to Coosa River, Elmore County. CONSERVATION ACTION UNDERWAY.
Alabama Wildlife species account page 116, note that species name is misspelled.
Outdoor Alabama article
Maiden Rocksnail Leptoxis formosa. Extinct. Endemic to upper and middle reaches of Coosa River; also occurred in some tributaries. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Rotund Rocksnail Leptoxis ligata. Extinct. Endemic to middle and lower reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Lirate Rocksnail Leptoxis lirata. Extinct. Endemic to middle reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Knob Mudalia Leptoxis minor. Extinct. Endemic to Tennessee River at Muscle Shoals. Not reported since the river was impounded. Occurred in shoal habitats. EXTINCT.
Bigmouth Rocksnail Leptoxis occultata. Extinct. Endemic to middle reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Spotted Rocksnail Leptoxis picta. Uncommon. Endemic to Alabama River. Still found only in the riverine reaches downstream of Claiborne, Millers Ferry, and Jones Bluff dams. Restricted to lotic habitats. HIGH CONSERVATION CONCERN.
Plicate Rocksnail Leptoxis plicata. Rare. Endemic to Black Warrior River system and adjacent Tombigbee River. Remnant populations still found in the middle reaches of Locust Fork, Jefferson County. Restricted to lotic habitats. Listed as endangered by the U.S. Fish and Wildlife Service. HIGHEST CONSERVATION CONCERN.
Onyx Rocksnail Leptoxis praerosa. Common. Widespread in Tennessee River drainage of northern Alabama. Restricted to lotic habitats. Low Conservation Concern.
Coosa Rocksnail Leptoxis showalteri. Extinct. Endemic to middle reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Painted Rocksnail Leptoxis taeniata. Uncommon. Endemic to Mobile Basin. Known from Coosa, Cahaba, and Alabama rivers and tributaries. Still found only in the lower reaches of Choccolocco, Buxahatchee, and Ohatchee creeks of the Coosa River system. Found primarily in lotic habitats. Listed as threatened by the U.S. Fish and Wildlife Service. HIGH CONSERVATION CONCERN.
Squat Rocksnail Leptoxis torrefacta. Extinct. Endemic to Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
Smooth Mudalia Leptoxis virgata. Extirpated. Endemic to Tennessee River. Historically occurred downstream to northeastern Alabama. Not reported since the river was impounded. Restricted to shoal habitats. EXTIRPATED.
Striped Rocksnail Leptoxis vittata. Extinct. Endemic to middle and lower reaches of Coosa River. Not reported since the river was impounded. Was restricted to shoal habitats. EXTINCT.
