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Molluscs › Periwinkle Snails

Rough Periwinkle

Littorina saxatilis

3,222 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) robsid, 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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What the records say

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 307, February 227, March 355, April 559, May 806, June 878, July 940, August 808, September 594, October 443, November 242, December 189.
United States7,609
Alaska6,348
Canada2,330
Quebec805
Massachusetts366
New Brunswick340
Nova Scotia283
Maine236
New York147
Newfoundland and Labrador111

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
OrderLittorinimorpha
FamilyPeriwinkle Snails · Littorinidae
GenusLittorina

Sources

Remember the name next time.

Practise Rough Periwinkle 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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