Two Toothed White Snail

Leucophytia bidentata is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae.^[2]

Description

For terms see gastropod shell.

The shell is 5–7 mm. high x 2–4 mm.wide. It is either white or horny to reddish brown and the shell has 6-7 very weakly convex whorls. The last whorl is 75% of the shell height and the apex is pointed. The aperture has a white layer at the parietal side, the parietalis (the spiral ridge on the parietal region projecting into the interior of the shell) is usually strong. The columellaris (or internal lip of the shell aperture) is moderately or indistinctly developed. There is no umbilicus.

Biology

This species of snail is semi-marine in habitat.

a shell of Leucophytia bidentata

Distribution

This species is found on the coasts of the eastern Atlantic Ocean:

• Belgium^[3]
• France
• Great Britain
• Ireland
• The Netherlands

and the Mediterranean Sea:

• Turkey

Common name

The two-toothed white snail.

References

• Backeljau, T. (1986). Lijst van de recente mariene mollusken van België [List of the recent marine molluscs of Belgium]. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium. 106 pp.
• Welter-Schultes, F.W. (2012). European non-marine molluscs, a guide for species identification. Planet Poster Editions, Göttingen. A1-A3, 1–679, Q1-Q78. page(s): 72
• Rowson, B., Powell, H., Willing, M., Dobson, M. & Shaw, H. (2021). Freshwater Snails of Britain and Ireland. FSC Publications, Telford, UK.