Gyraulus

Genus of gastropods


title: "Gyraulus" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["gyraulus"] description: "Genus of gastropods" topic_path: "general/gyraulus" source: "https://en.wikipedia.org/wiki/Gyraulus" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of gastropods ::

| fossil_range= Early Cretaceous - Recent, | image = Gyraulus takhteevi (10.3897-zookeys.762.23661) Figure 1 (cropped).jpg | image_caption = Views of a Gyraulus takhteevi shell | taxon = Gyraulus | authority = Charpentier, 1837 | display_parents = 2 | type_species= Planorbis albus O. F. Müller, 1774 | synonyms =

  • Anisus (Gyraulus) Charpentier, 1837
  • Anisus (Microanisus) Moskvicheva, 1986
  • Caillaudia Bourguignat, 1883
  • Choanomphalodes Lindholm, 1927
  • Choanomphalus (Lamorbis) Starobogatov, 1967
  • Choanomphalus (Pseudogyraulus) Prozorova & Starobogatov, 1997
  • Glyptanisus Iredale, 1943
  • Gyraulus (Caillaudia) Bourguignat, 1883
  • Gyraulus (Carinogyraulus) Polinski, 1929
  • Gyraulus (Choanomphalodes) Lindholm, 1927
  • Gyraulus (Gyraulus) Charpentier, 1837
  • Gyraulus (Lamorbis) Starobogatov, 1967
  • Gyraulus (Microanisus) Moskvicheva, 1986
  • Gyraulus (Nautilinus) Mousson, 1872
  • Gyraulus (Pygmanisus) Iredale, 1943
  • Gyraulus (Torquis) Dall, 1905
  • Lamorbis Starobogatov, 1967
  • Plananisus Iredale, 1943
  • Planaria T. Brown, 1827
  • Planorbis (Gyraulus) ICharpentier, 1837
  • Planorbis (Torquis) IDall, 1905
  • Ptychospira Slavík, 1869
  • Pygmanisus Iredale, 1943
  • Trochlea Haldeman, 1842

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.

Description

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

Distribution and habitat

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

Species

The following species are recognised in the genus Gyraulus:

References

References

  1. [[Jean de Charpentier
  2. Ivanov M., Hrdličková, S. & Gregorová, R. (2001) Encyklopedie zkamenělin. – Rebo Productions, Dobřejovice, 1. vydání, 312 pp., page 126. (in Czech)
  3. Pan, H. and Zhu, X. (2007). "Early Cretaceous non-marine gastropods from the Xiazhuang Formation in North China." ''Cretaceous Research'', '''28'''(2): 215-224. {{doi. 10.1016/j.cretres.2006.12.001
  4. "WoRMS - World Register of Marine Species - Out of scope".

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gyraulus