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List Of Non-marine Molluscs Of The United States
The non-marine mollusks of the United States are a part of the molluscan fauna of the United States. Freshwater gastropods ;Amnicolidae * ''Amnicola cora'' Hubricht 1979 - Foushee Cavesnail * ''Amnicola dalli'' Pilsbry and Beecher 1892 - Peninsula Amnicola * '' Amnicola decisus'' Haldeman 1845 * ''Amnicola limosus'' Say 1817 - Mud Amnicola * '' Ammicola rhombostoma'' Thompson 1968 - Squaremouth Amnicola * ''Amnicola stygius'' Hubricht 1971 -Stygian Amnicola * '' Colligyrus convexus'' Hershler, Fresh, Liu, and Johannes 2003 - Canary dusky-snail * '' Colligyrus depressus'' Hershler 1999 - Harney Basin Duskysnail * '' Colligyrus greggi'' Pilsbry 1935 - Rocky Mountain Duskysnail * '' Dasyscias franzi'' Thompson and Hersler 1991 - Shaggy Ghostsnail * '' Lyogyrus bakerianus'' Pilsbry 1917 - Baker's Springsnail * '' Lyogyrus browni'' Carpenter 1872 - Slender Duskysnail * '' Lyogyrus granum'' Say 1822 -Squat Duskysnail * '' Lyogyrus latus'' Thompson and Hershler 1991 - cobble Sprite * '' L ...
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United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations. The United States is also in free association with three Pacific Island sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Republic of Palau. It is the world's third-largest country by both land and total area. It shares land borders with Canada to its north and with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the most populous country in the Americas and the third most populous in the world. The national capital of the United States is Washington, D.C. and its most populous city and principal financial center is New York City. Paleo-Americ ...
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Lyogyrus Pilsbryi
''Lyogyrus'' is a genus of very small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha. Distribution Hydrobiidae are found in much of the world, .... Species Species within the genus ''Lyogyrus'' include: * '' Lyogyrus granum'' * '' Lyogyrus greggi'' (Hershler, date unknown) - Rocky Mountain duskysnail References Nomenclator Zoologicus info Hydrobiidae {{Hydrobiidae-stub ...
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Jay's River Snail
Jay's river snail also known as the rugose rocksnail, scientific name ''Lithasia jayana'', is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae, the hornsnails. This speciet is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1841 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Lithasia Jayana
Jay's river snail also known as the rugose rocksnail, scientific name ''Lithasia jayana'', is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae, the hornsnails. This speciet is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1841 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Geniculate River Snail
The geniculate river snail or ornate rocksnail, scientific name ''Lithasia geniculata'', is a species of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1840 Taxa named by Samuel Stehman Haldeman Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Lithasia Geniculata
The geniculate river snail or ornate rocksnail, scientific name ''Lithasia geniculata'', is a species of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1840 Taxa named by Samuel Stehman Haldeman Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Dutton's River Snail
Dutton's river snail also known as the helmet rocksnail, scientific name ''Lithasia duttoniana'', is a species of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1841 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Lithasia Duttoniana
Dutton's river snail also known as the helmet rocksnail, scientific name ''Lithasia duttoniana'', is a species of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Molluscs of the United States Pleuroceridae Gastropods described in 1841 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Knobby Rocksnail
The knobby rocksnail, scientific name ''Lithasia curta'', is a species of medium-sized freshwater snail, an aquatic gilled gastropod mollusk in the family Pleuroceridae. 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 the United States. References Molluscs of the United States Pleuroceridae Gastropods described in 1868 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Lithasia Curta
The knobby rocksnail, scientific name ''Lithasia curta'', is a species of medium-sized freshwater snail, an aquatic gilled gastropod mollusk in the family Pleuroceridae. 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 the United States. References Molluscs of the United States Pleuroceridae Gastropods described in 1868 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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Lithasia Armigera
The armigerous river snail or armored rocksnail, scientific name ''Lithasia armigera'', is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie .... References Pleuroceridae Gastropods described in 1821 Taxonomy articles created by Polbot {{Pleuroceridae-stub ...
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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. Reproduction is iteroparous, and juvenile snails emerge from eggs laid on a firm surface by a gonochoristic female. There is no veliger stage. Distribution As currently defined, this family is confined entirely to eastern North American fresh waters. Similar snails formerly classified with Pleuroceridae, but now assigned to other families are widespread in temperate and tropical parts of Southern and Eastern Asia, and Africa. Most require unpolluted rivers and streams, but a few are adapted to living in lakes or reservoirs. Taxonomy 2005 taxonomy The following two subfamilies have been recognized in the taxonomy of Bouchet & Rocroi (2005): * Pleurocerinae P. Fischer, 1885 - synonyms: Ceriphasiinae Gill, 1863; Strepomatidae Haldeman, 1864 ...
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