page_title: Clappia
section_title: Species
hierarchical_section_title: Clappia / Species
caption_attribution_description: English: Drawing of apertural view of the shell of Clappia umbilicata
context_page_description: Clappia is a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Lithoglyphidae.
  Generic name Clappia is in honor of malacologist George Hubbard Clapp.
context_section_description: There are two species within the genus Clappia:
  Clappia cahabensis Clench, 1965 - Cahaba pebblesnail
  † Clappia umbilicata (Walker, 1904) - Umbilicate pebblesnail, type species as Clapppia clappi
  Comparison of apertural views of both species:
caption: Clappia umbilicata
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