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| Drawing of a shell and operculum of Campeloma decisum | |
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| Genus: | Campeloma Rafinesque, 1819 |
Campeloma is a genus of gilled operculate freshwater snails in the family Viviparidae. [1]
They are common in unpolluted rivers in the eastern United States and southeastern Canada.
Species within the genus Campeloma include: [2]
Constantine Samuel Rafinesque-Schmaltz was a French 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ultimately settling in Ohio in 1815, where he made notable contributions to botany, zoology, and the study of prehistoric earthworks in North America. He also contributed to the study of ancient Mesoamerican linguistics, in addition to work he had already completed in Europe.
Cypraeoidea, the cowries and cowry allies, is a superfamily of sea snails, marine gastropods included in the clade Littorinimorpha. This superfamily had been called Cypraeacea and was named by Rafinesque in 1815.
The Trochidae, common name top-snails or top-shells, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda.
Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks.
Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum.
Lymnaea is a genus of small to large-sized air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails. Some species are used in aquaculture under the name Melantho snails. Numerous Lymnaea species serve as intermediate hosts for trematodes. Lymnaea is the type genus of the family Lymnaeidae.
Helicostyla is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicostylinae of the family Camaenidae. Helicostyla is the type genus of the subfamily Helicostylinae.
Leptoxis is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Pleuroceridae.
Neritina, is a genus of small aquatic snails with an operculum, marine, brackish water, and sometimes freshwater gastropod mollusks in the family Neritidae, the nerites.
Obovaria is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. There are at least six described species in Obovaria at present, all of which are found in the United States. Obovaria subrotunda is found in Canada as well.
Pleurocera is a genus of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae.
Stagnicola is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.
Stenotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is usually closely guarded by well-developed "teeth".
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
Cardita is a genus of marine bivalve molluscs in the family Carditidae.
Arminidae is a family of sea slugs, marine gastropod mollusks in the superfamily Arminoidea.
Pyramidella is a genus of minute to medium-sized sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Oxynoe is a genus of small sea snails, bubble snails, marine gastropod mollusks in the family Oxynoidae.
Rotundaria is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.