Norelona pyrenaica explained

Norelona pyrenaica is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Elonidae.

Norelona pyrenaica is the type species of the genus Norelona.

Shell description

The shell is narrowly umbilicated, flattened above, thin, pellucid, olivaceous corneous. The shell has 4½ whorls, that are rather flattened. The last whorl is not descending. The peristome is acute, reflected, white-lipped.

The width of the shell is 17–21 mm. The height of the shell is 9–11 mm.^[1]

Anatomy

This species of snail makes and uses love darts.^[2] (Image of reproductive system.)

Distribution

This species is endemic to the eastern Pyrenees, France.^[3] (map of distribution, map 2)

It is also known from Spain since 2007.^[4]

References

This article incorporates public domain text from reference^[5]

• Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017

Notes and References

1. Kerney M.P., Cameron R.A.D. & Jungbluth J.H. 1983. Die Landschnecken Nord- und Mitteleuropas. Hamburg/Berlin, 384 pp., page 299.
2. Gittenberger E. 1979. On Elona (Pulmonata, Eloniadae fam. nov.) Malacologia Volume 18, 1-2, Sixth European Malacological Congress, Amsterdam, 139-145.
3. Vialatte A., Guiller A., Bellido A. & Madec L. 2008. Phylogeography and historical demography of the Lusitanian snail Elona quimperiana reveal survival in unexpected separate glacial refugia. BMC Evolutionary Biology 2008, 8:339 .
4. Guillén G. & Corbella J. 2007. Presència de Norelona pyrenaica (Draparnaud, 1805) (Gastropoda: Elonidae) al Massís del Montseny (el Vallès Oriental, Catalunya, Espanya). Spira 2007, 2(3): 189-190.
5. [George Washington Tryon|Tryon G. W.]