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Molluscs › Ramshorn snails

Whirlpool Ram's-horn

Anisus vortex

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Wildlife study photograph from iNaturalist.
(c) team10k, some rights reserved (CC BY-NC)

25 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Photos you add are credited to you, and you keep the copyright.

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 1,345, February 993, March 1,556, April 2,448, May 3,530, June 3,849, July 4,119, August 3,542, September 2,601, October 1,941, November 1,061, December 829.
United States27,815
Alaska27,815
Russia55
United Kingdom44
England44
France40
Grand Est32
Germany24
Ukraine22
Kursk Oblast18

Counts show where people looked, not only where it lives.

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassGastropods · Gastropoda
FamilyRamshorn snails · Planorbidae
GenusAnisus

Sources

Remember the name next time.

Practise Whirlpool Ram's-horn with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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