Superfamily Planorboidea Subfamily Planorbinae Rank Species | ||
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Similar Gyraulus crista, Bathyomphalus contortus, Gyraulus, Planorbis carinatus, Segmentina nitida | ||
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.
Contents
Gyraulus albus is the type species of the genus Gyraulus.
Distribution
Palearctic:
Habitat
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.
Description
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.