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Molluscs › Top Snails

Purple Topshell

Steromphala umbilicalis

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Wildlife study photograph from iNaturalist.
(c) caitlinevans97, some rights reserved (CC BY-NC)

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

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 312, February 231, March 361, April 568, May 819, June 893, July 956, August 822, September 604, October 450, November 246, December 192.
United States6,455
Alaska6,455
United Kingdom945
England719
Portugal140
Wales120
France61
LISBOA60
Northern Ireland55
Spain52

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
OrderTrochida
FamilyTop Snails · Trochidae
GenusSteromphala

Sources

Remember the name next time.

Practise Purple Topshell 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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