Gyraulus

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Gyraulus
Gyraulus crista
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Superorder: Heterobranchia
Order: Pulmonata
Family: Planorbidae
Genus: Gyraulus

Gyraulus is a genus of small, mostly air-breathing, freshwater snails, aquatic pulmonate gastropod mollusks 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.

Contents

[edit] Distribution

Holarctic.

[edit] Habitat

On water plants in freshwater.

[edit] Shell description

Shell of the species within this genus are small, and are mostly almost planispiral in their coiling.

[edit] Species within the genus Gyraulus

[edit] External links

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