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Molluscs › Periwinkle Snails

Eroded Periwinkle

Littorina keenae

2,353 observations in the source records

Wildlife study photograph from iNaturalist.
(c) smrusso23, some rights reserved (CC BY-NC)

26 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.

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

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 California.January 123, February 107, March 111, April 138, May 134, June 98, July 84, August 86, September 109, October 111, November 143, December 110.
United States1,350
California1,327
Oregon11
Washington8
Canada7
British Columbia7
Nevada3
Hawaii1
Mexico1
Baja California1

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 Eroded Periwinkle with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.