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. Kerney M.P., Cameron R.A.D. & Jungbluth J.H. 1983. Die Landschnecken Nord- und Mitteleuropas. Hamburg/Berlin, 384 pp., page 299.
Anatomy This species of snail makes and uses love darts.Gittenberger E. 1979. On Elona (Pulmonata, Eloniadae fam. nov.) Malacologia Volume 18, 1-2, Sixth European Malacological Congress, Amsterdam, 139-145. (Image of reproductive system.)
Distribution This species is endemic to the eastern Pyrenees, France.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 . (map of distribution, map 2)
It is also known from Spain since 2007. 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.
References This article incorporates public domain text from referenceTryon G. W. 1888. Manual of Conchology, structural and systematic, with illustrations of the species. Second series: Pulmonata. volume 4, page 94, plate 23 figures 13-15.
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017