Superfamily Planorboidea Subfamily Planorbinae Rank Species | Tribe Planorbini | |
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Similar Anisus, Segmentina nitida, Gyraulus crista, Bathyomphalus contortus, Anisus vortex | ||
Anisus spirorbis is a species of small freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Contents
Taxonomy
Anisus spirorbis may be a broad-whorled morphotype of Anisus leucostoma.
Distribution
Europe to Siberia.
This species occurs in countries that include:
Description
The shell is 1 to 1.5 mm high and measures 4 to 5.5 mm in diameter. It has approximately 4.5 whorls. The mouth is oblique to the axis of the coil. The whorls are increase relatively rapidly (in relation to other Anisus species). The shell is yellowish horn coloured and bears thin growth strips. The body of the animal is grey-brownish black with lighter colored tentacles.
Ecology
Parasites:
References
Anisus spirorbis Wikipedia(Text) CC BY-SA