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Molluscs › Periwinkle Snails

Northern Lacuna

Lacuna vincta

1,621 observations in the source records

Wildlife study photograph from iNaturalist.
(c) helenskye312, 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.

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 Alaska.January 294, February 217, March 341, April 536, May 773, June 842, July 901, August 775, September 569, October 425, November 232, December 181.
United States6,861
Alaska6,085
Canada1,107
Massachusetts285
Nova Scotia279
Quebec258
British Columbia239
Maine202
New Brunswick172
Newfoundland and Labrador102

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
GenusLacuna Snails · Lacuna

Sources

Remember the name next time.

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