- Gyraulus
Taxobox
name = "Gyraulus"
image_caption = "Gyraulus crista "
image_width = 225px
status =
regnum =Animal ia
phylum =Mollusca
classis =Gastropoda
subclassis =Orthogastropoda
superordo =Heterobranchia
ordo =Pulmonata
familia =Planorbidae
genus = "Gyraulus"
species =
binomial =
binomial_authority ="Gyraulus" is a
genus of small, mostly air-breathing, freshwatersnail s,aquatic pulmonate gastropod mollusk s in the family Planorbidae, the ram's horn snails.Note: the minute species "Gyralus crista", although technically a pulmonate gastropod, does not use air for respiration but instead has a mantle cavity which is full of water.
Distribution
Holarctic .Habitat
On water plants in freshwater.
hell description
Shell of the species within this genus are small, and are mostly almost planispiral in their coiling.
pecies within the genus "Gyraulus"
* "
Gyraulus acronicus " (A. Férussac, 1807)
* "Gyraulus albus " (O. F. Müller, 1774) - White ramshorn
* "Gyraulus crista " (Linnaeus, 1758) - Nautilus ramshorn
* "Gyraulus laevis " (Alder, 1838)
* "Gyraulus parvus " (Say, 1817)
* "Gyraulus rossmaessleri " (Auerswald, 1852)
* ...External links
* http://www.biolib.cz/en/taxon/id2590/
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