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Gyraulus

Genus of gastropods

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Gyraulus is a genus of small, mostly air-breathing, freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails.

The genus Gyraulus is known from the Early Cretaceous to the present. Fossils attributed to Gyraulus sp. have been found in the lakebottom sediments of the Yixian Formation in China, dating to 125 million years ago.

01Description

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

02Distribution and habitat

The distribution of this genus is Holarctic. These snails live on water plants in freshwater.

03Species

The following species are recognised in the genus Gyraulus:

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Sources and credits

This article is adapted from the Wikipedia article Gyraulus, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

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