Clappia (gastropod)

Clappia
	Drawing of apertural view of the shell and its operculum of Clappia umbilicata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Truncatelloidea
Family:	Lithoglyphidae
Genus:	Clappia ; Walker, 1909

Last updated November 27, 2025

Clappia was a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Lithoglyphidae.^[2]^[3]

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

Species

There are two^[3] species within the genus Clappia:

† Clappia cahabensis Clench, 1965 - Cahaba pebblesnail ^[3]
† Clappia umbilicata (Walker, 1904) - Umbilicate pebblesnail, type species as †Clappia clappi^[1]^[3]

Synonyms

Clappia cabahensisClench, 1965: synonym of Clappia cahabensisClench, 1965
†Clappia clappiB. Walker, 1909: synonym of †Clappia umbilicata(B. Walker, 1904) (a junior synonym)

Comparison of apertural views of both species:

Clappia umbilicata Clappia umbilicata shell.png — *Clappia umbilicata*

References

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

This Lithoglyphidae-related article is a stub. You can help Wikipedia by expanding it.

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

[Walker_1909-1] 1 2 3 Walker B. (1909). "New Amnicolidae from Alabama". The Nautilus 22(9): 85-90. page 89.

[WoRMS-2] 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_1984-3] 1 2 3 4 Thompson F. G. (1984). "North American freshwater snail genera of the hydrobiid subfamily Lithoglyphinae". Malacologia 25(1): 109-141.

[1]

[2]

[3]