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Molluscs › Grass Snails

Costate Vallonia

Vallonia costata

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

27 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 Alaska.January 520, February 384, March 601, April 946, May 1,364, June 1,488, July 1,592, August 1,369, September 1,005, October 750, November 410, December 320.
United States11,423
Alaska10,750
France411
Canada247
Ontario210
Grand Est148
New York104
Occitanie75
Pennsylvania73
West Virginia72

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
OrderCommon Land Snails and Slugs · Stylommatophora
FamilyGrass Snails · Valloniidae
GenusGrass-snails · Vallonia

Sources

Remember the name next time.

Practise Costate Vallonia 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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