Pupilla bigranata
| Pupilla pratensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| Superfamily: | Pupilloidea |
| Family: | Pupillidae |
| Genus: | Pupilla |
| Species: | P. bigranata |
| Binomial name | |
| Pupilla bigranata (Rossmässler, 1839)[1] | |
| Synonyms | |
|
Pupa bigranata Rossmässler, 1839 | |
Pupilla bigranata is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.
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.[2]
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.[2]
Distribution
Distribution of Pupilla bigranata include Central Europe and Western Europe.[2]
- Very scattered in Switzerland, only 3 of 20 formerly known populations seem to have survived.[2] Critically endangered in Switzerland.[2]
- endangered in Germany. Extinct in Bavaria; critically endangered in Rheinland-Pfalz[2]
- rare in Austria.
- Ukraine[3]
Ecology
Pupilla alpicola occur in dry and warm grassy slopes on calcareous substrate.[2] In Switzerland in up to 2000 m altitude.[2]
References
This article incorporates public domain text from the reference.[2]
- ↑ Rossmässler E. A. (1838-1844). Iconographie der Land- und Süßwassermollusken, mit vorzüglicher Berücksichtigung der europäischen noch nicht abgebildeten Arten. (1)2(Heft 7/8): [1-4], 1-44, (Heft 9/10): [1-4], 1-66, (Heft 11): [1-4], 1-15, (Heft 12): [1-4], 1-37, Taf. 31-60. Dresden, Leipzig. (Arnold).
- 1 2 3 4 5 6 7 8 9 "Species summary for Pupilla bigranata ". AnimalBase. Last modified 30-12-2008, accessed 30 July 2010.
- ↑ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.