''Leptoxis foremani'', the interrupted rocksnail, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

with a gill and an operculum, an aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the family

Pleuroceridae Pleuroceridae, common name pleurocerids, is a family of small to medium-sized freshwater snails, aquatic gilled gastropod mollusks in the superfamily Cerithioidea.These snails have an operculum and typically a robust high-spired shell. Reprodu ...

. This species is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to parts of the Coosa River and its tributaries. It was formerly believed to be extinct, and remains classified as Extinct on the IUCN Red List. However, in 1997, a U.S. Fish and Wildlife Service biologist discovered one specimen in the

Oostanaula River The Oostanaula River (pronounced "oo-stuh-NA-luh") is a principal tributary of the Coosa River, about long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 27, 2011 formed by the co ...

in Georgia. Scientists from the Tennessee Aquarium Research Institute subsequently began collecting Interrupted Rocksnails from the Oostanaula in order to reintroduce them to other rivers where they had formerly lived. In 2004, 3,000 of the snails were reintroduced to the

Coosa River The Coosa River is a tributary of the Alabama River in the U.S. states of Alabama and Georgia. The river is about long.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 27, 2011 ...

Alabama (We dare defend our rights) , anthem = "Alabama (state song), Alabama" , image_map = Alabama in United States.svg , seat = Montgomery, Alabama, Montgomery , LargestCity = Huntsville, Alabama, Huntsville , LargestCounty = Baldwin County, Al ...

References

foremani Extinct gastropods Gastropods described in 1843 Taxonomy articles created by Polbot {{Pleuroceridae-stub