Neha Patil (Editor)

Pupilla bigranata

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Kingdom
  
Animalia

Class
  
Gastropoda

Family
  
Pupillidae

Scientific name
  
Pupilla bigranata

Phylum
  
Mollusca

Superfamily
  
Pupilloidea

Genus
  
Pupilla

Rank
  
Species

Pupilla bigranata httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Truncatellina callicratis, Pupilla sterrii, Pupilla triplicata, Pupilla muscorum, Merdigera obscura

Pupilla bigranata is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.

Contents

Description

The shell of Pupilla bigranata is smaller than Pupilla muscorum, whorls are slightly more rounded, cervical callus is strong, palatal tooth are more strongly developed and parietal tooth is also prominent.

The height of the shell is 2.5-3.5 mm. The width of the shell is 1.5 mm and shell diameter does not vary much.

Distribution

Distribution of Pupilla bigranata include Central Europe and Western Europe.

  • Very scattered in Switzerland, only 3 of 20 formerly known populations seem to have survived. Critically endangered in Switzerland.
  • endangered in Germany. Extinct in Bavaria; critically endangered in Rheinland-Pfalz
  • rare in Austria.
  • Ukraine

    • Ecology

    Pupilla alpicola occur in dry and warm grassy slopes on calcareous substrate. In Switzerland in up to 2000 m altitude.

    References

    Pupilla bigranata Wikipedia
    (Text) CC BY-SA