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Molluscs › Ramshorn snails

Marsh Ramshorn

Planorbella trivolvis

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

28 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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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 Ontario.January 63, February 65, March 103, April 201, May 386, June 181, July 136, August 123, September 129, October 106, November 66, December 59.
United States6,072
Canada2,317
Ontario1,617
Illinois1,075
Michigan751
New York504
Indiana335
Missouri298
California239
Quebec238

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
GenusPlanorbella

Sources

Remember the name next time.

Practise Marsh Ramshorn 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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