Pyramidula chorismenostoma

Pyramidula chorismenostoma
An apertural view of a shell of Pyramidula chorismenostoma
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Pyramidulidae
Genus:	Pyramidula
Species:	P. chorismenostoma
Binomial name
Pyramidula chorismenostoma (Westerlund & Blanc, 1879)[1]
Synonyms
Helix (Patula) rupestris chorismenostoma Westerlund & Blanc, 1879 Pyramidula rupestris chorismenostoma

Pyramidula chorismenostoma is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pyramidulidae.

Shell description

The normal condition of the shell of this species is scalarid, i.e. the whorls of the shell are not attached to one another. This shell type is unique among the non-marine malacofauna of Europe.[2]

The width of the shell is up to 2.2 mm, the height is up to 3.1 mm.[2]

Distribution

This species occurs in countries and islands including:

• Greece: approximately the southern 2/3 of Greece, Crete, and the Aegean islands.[2]
• Western Turkey[3]

References

1. Westerlund C. A. & Blanc H. 1879. Aperçu sur la faune malacologique de la Grèce inclus l'Epire et la Thessalie. Coquilles extramarines. pp. 1-161, [1], Pl. I-IV [= 1-4]. Naples. (Tornese).
2. Gittenberger E. & Bank R. A. 1996. A new start in Pyramidula (Gastropoda Pulmonata: Pyramidulidae). Basteria 60: 71-78.
3. Pyramidula chorismenostoma. AnimalBase. Accessed 14 December 2008.

Further reading

• Mylonas M. 1982. New data on the taxonomy and distribution de Pyramidula rupestris chorismenostoma (Blanc). Malacologia, 22(1-2): 439–440.