. . "The \u2020agate rocksnail, scientific name Leptoxis clipeata, was a of freshwater snail in the family Pleuroceridae. Like all Leptoxis, the species required free-flowing unpolluted water. It was endemic to parts of the Coosa River in Alabama, now impounded."@en . "Agate rocksnail"@en . . . . . "IUCN2.3" . "EX" . .