Ferrissia fragilis
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Ferrissia fragilis | ||||||||||||||
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Conservation status | ||||||||||||||
NE
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Scientific classification | ||||||||||||||
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Binomial name | ||||||||||||||
Ferrissia fragilis (Tryon, 1863) |
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Synonyms | ||||||||||||||
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Ferrissia fragilis is a species of small freshwater limpet, an aquatic gastropod mollusk in the family Ancylidae, (sometimes placed in the family Planorbidae or Ferrisiidae).
These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch". This serves as a gill as, in their non-tidal habitat, these limpets never reach the surface for air.
[edit] Distribution and conservation status
Europe.
- Not listed in IUCN red list - not evaluated (NE)[1]
- Czech Republic[2]
- Germany
- Netherlands
- Poland
- Slovakia
- and others
[edit] References
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