| Cherokee pebblesnail | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Neotaenioglossa |
| Family: | Lithoglyphidae |
| Genus: | Somatogyrus |
| Species: | S. georgianus |
| Binomial name | |
| Somatogyrus georgianus | |
The Cherokee pebblesnail (Somatogyrus georgianus) is a species of very small freshwater snail with an operculum. It is an aquatic gastropod mollusc in the family Lithoglyphidae.
This species is endemic to the Tennessee, Cahaba and Alabama Rivers in Alabama and Chattanooga River in Georgia in the United States. Assessment of its conservation status is encumbered by the difficulty in differentiating the various species of Somatogyrus from one another. [1]
Clappia umbilicata, the umbilicate pebblesnail, was a species of small freshwater snail that had an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae. This species is now extinct.
Somatogyrus is a genus of very small freshwater and brackish water snails that have an operculum, aquatic gastropod micromolluscs in the family Lithoglyphidae.
The angular pebblesnail, scientific name Somatogyrus biangulatus, is a species of very small freshwater snail with an operculum, an aquatic operculate gastropod mollusc in the Lithoglyphidae family. This species is endemic to Alabama in the United States. Its natural habitat is Muscle Shoals region of the Tennessee River. Although the IUCN officially categorises the species as Data Deficient, it also considers it as Possibly extinct, as it has not been recorded since the river was impounded.. This latter classification is also supported by The Nature Conservancy.
The knotty pebblesnail, scientific name Somatogyrus constrictus, of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River. Although the IUCN officially categorises the species as Data Deficient, it also considers it as Possibly extinct, as it has not been recorded since the river was impounded. This latter classification is also supported by The Nature Conservancy. The taxonomic validity of this species has been questioned; it may represent morphological aberrations of other, valid species. If it is a valid species, it would be assessed as threatened.
The Coosa pebblesnail, scientific name Somatogyrus coosaensis, is a species of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River. Although the IUCN officially categorises the species as Critically Endangered, it also considers it as Possibly extinct, as it has not been recorded in several dozen years. This latter classification is also supported by The Nature Conservancy.
The thick-lipped pebblesnail, scientific name Somatogyrus crassilabris, was a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species was endemic to Baxter County, Arkansas in the United States. Its natural habitat was the north fork of the White River. It is now extinct.
The stocky pebblesnail is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River. The IUCN classification is also supported by The Nature Conservancy, as it has not been recorded since the river was impounded.
The Tennessee pebblesnail is a species of very small freshwater snail with an operculum. It is an aquatic gastropod mollusc in the family Lithoglyphidae.
The hidden pebblesnail, scientific name Somatogyrus decipiens, is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae.
The ovate pebblesnail, scientific name Somatogyrus excavatus, is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Lauderdale County, Alabama in the United States, and its natural habitat is the Shoal Creek area of the Tennessee River drainage.
The fluted pebblesnail, scientific name Somatogyrus hendersoni, is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River, but it has not been collected since the river was impounded.
The Granite pebblesnail, scientific name Somatogyrus hinkleyi, is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae.
The Moon pebblesnail, scientific name Somatogyrus obtusus, is a species of very small freshwater snail that has an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae.
The Tallapoosa pebblesnail, scientific name Somatogyrus pilsbryanus, is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusc in the family Hydrobiidae. This species is endemic to Alabama in the United States. Its natural habitat is rivers. The common name of this pebblesnail refers to the Tallapoosa River, which runs through the states of Georgia and Alabama.
The Savannah pebblesnail, scientific name Somatogyrus tenax, is a species of freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States. Somatogyrus tenax may actually be a junior synonym of Somatogyrus virginicus, although the taxonomy remains in dispute.
The Panhandle pebblesnail, scientific name Somatogyrus virginicus, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States. Its natural habitat is rivers, where it prefers areas with the fastest current.
The golden pebblesnail, scientific name Somatogyrus aureus, is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae. This species is endemic to Alabama and Tennessee in the United States. Its natural habitat is the Tennessee River system, with the type locality being given as the Holston River.
Viviparus georgianus, common name the banded mystery snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Elimia virginica, common names the Piedmont elimia or Virginia river snail, is a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Pleuroceridae.
The Sandbar pebblesnail is a species of very small freshwater snail with an operculum. It is an aquatic gastropod mollusc in the family Lithoglyphidae.
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