''Clappia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of small

freshwater snail Freshwater snails are gastropod mollusks that 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 t ...

s that have an operculum,

aquatic Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the family

Lithoglyphidae Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks. This family is in the superfamily Truncatelloidea and in the clade Littorinimorpha (according to the taxonomy of the Gastropoda by ...

. MolluscaBase eds. (2022). MolluscaBase. Clappia B. Walker, 1909. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=887026 on 2022-04-22 Thompson F. G. (1984). "North American freshwater snail genera of the hydrobiid subfamily Lithoglyphinae". ''

Malacologia ''Malacologia'' is a peer-reviewed scientific journal in the field of malacology, the study of mollusks. The journal publishes articles in the fields of molluscan systematics, ecology, population ecology, genetics, molecular genetics, evolution, an ...

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109
141. Generic name ''Clappia'' is in honor of malacologist George Hubbard Clapp.

Species

There are two species within the genus ''Clappia'': * '' Clappia cahabensis'' Clench, 1965 - Cahaba pebblesnail * '' Clappia umbilicata'' (Walker, 1904) - Umbilicate pebblesnail, type species as ''Clappia clappi'' ;Synonyms: * ''Clappia cabahensis'' Clench, 1965: synonym of ''Clappia cahabensis'' Clench, 1965 * ''Clappia clappi'' B. Walker, 1909: synonym of ''Clappia umbilicata'' (B. Walker, 1904) (a junior synonym) Comparison of apertural views of both species:

References

Lithoglyphidae Gastropod genera Taxonomy articles created by Polbot {{Lithoglyphidae-stub