page_title: Peringia ulvae
section_title: Distribution
hierarchical_section_title: Peringia ulvae / Distribution
caption_attribution_description: Shells of Hydrobia ulvae (Pennant, 1777) (synonym&#160;: Peringia ulvae) , found on Sylt, Germany
context_page_description: Peringia ulvae, common name the Laver spire shell or mudsnail, is a European species of very small aquatic snail with gills and an operculum, a gastropod mollusk in the family Hydrobiidae.
  This is arguably a marine snail, but it is often also listed as a non-marine species because it tolerates brackish water and lives in salt marshes and similar habitats.
  Peringia ulvae is the type species of the genus Peringia.
context_section_description: This species occurs on the coasts of the Baltic Sea, the White Sea  the Eastern Atlantic and the western Mediterranean Sea, (the Mediterranean records may be in error)  including:
  Great Britain
  Ireland
  The Netherlands
  The type locality is "on the shores of Flintshire", Wales, United Kingdom. The distribution type is Oceanic Wide Temperate
caption: Shells of P. ulvae
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