Clappia

For the monotypic plant genus, see Clappia (plant).

Clappia

Drawing of apertural view of the shell and its operculum of Clappia umbilicata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha
Superfamily:	Rissooidea
Family:	Lithoglyphidae
Genus:	Clappia Walker, 1909^[1]
Diversity^[2]
2 species

Clappia is a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Lithoglyphidae.^[2]

Generic name Clappia is in honor of malacologist George Hubbard Clapp.^[1]

Species

There are two^[2] species within the genus Clappia:

Clappia cahabensis Clench, 1965 - Cahaba pebblesnail^[2]
† Clappia umbilicata (Walker, 1904) - Umbilicate pebblesnail, type species as Clapppia clappi^[1]^[2]

Comparison of apertural views of both species:

Clappia cahabensis

Clappia umbilicata

References

1 2 3 Walker B. (1909). "New Amnicolidae from Alabama". The Nautilus 22(9): 85-90. page 89.
1 2 3 4 5 Thompson F. G. (1984). "North American freshwater snail genera of the hydrobiid subfamily Lithoglyphinae". Malacologia 25(1): 109-141.

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