''Zonitoides jaccetanicus'' is a species of small, air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

, a terrestrial

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk in the family

Gastrodontidae Gastrodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). MolluscaBase eds. (2020). MolluscaBase ...

Distribution

''Zonitoides jaccetanicus'' is endemic to Montserrat mountain near Barcelona, Catalonia, Spain. It is a rare species, possibly endemic to Catalonia. The species has declined due to construction activities in the growing city of Barcelona.

Description

The shell is evenly horny-brownish, fragile and transparent, finely striated on the upper side, nearly smooth on the lower side. The shell has 5 weakly convex

whorls A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral d ...

with pronounced suture. The upper side is flattened. Lower side is convex. The last whorl is not much wider than penultimate whorl. The aperture is oblique. The apertural margin is straight. Umbilicus is relatively narrow. The width of the shell is 4–5 mm. The height of the shell is 2.6-3.4 mm. The shell is very much like that of ''

Zonitoides arboreus ''Zonitoides arboreus'', commonly known as the quick gloss snail, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae. Distribution The native distribution of ''Z. arboreus'' is ...

'', but slightly larger. There are however anatomical differences between the two species.

References

This article incorporates public domain text from the reference."Species summary for ''Zonitoides jaccetanicus''"
AnimalBase, last modified 18 September 2009, accessed 3 September 2010. {{Taxonbar, from=Q5481778 Gastrodontidae Gastropods described in 1870 Taxonomy articles created by Polbot