Gyraulus albus

Gyraulus albus, common name white ramshorn, is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.

Gyraulus albus is the type species of the genus Gyraulus.

Palearctic:

• Belgium
• Czech Republic - least concern (LC)
• Germany
• Hungary
• Netherlands
• Poland
• Slovakia
• Great Britain
• Ireland

This small snail lives in various types of freshwater habitats among weed and on bottom mud. It doesn't require a high level of calcium.

The shell of this species is rather small, reaching a height of 1.3 - 1.8 mm and a width of 4 – 7 mm. This shell has a discoid shape with 4 - 4½ body whorls that expand in the direction of the aperture. This aperture and the whorls are curved and do not have a keel.

The shell of this species is white (sometimes darkened by mud deposits) and has a characteristic spiral sculpture.

• V. Pfleger & June Chatfield, A guide to the snails of Britain and Europe; Hamlyn Publishing Group, London, 1988;ISBN 0-600-55127-X

• Gyraulus albus at AnimalBase
• Media related to Gyraulus albus at Wikimedia Commons