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Molluscs › Keyhole Limpets

Common Keyhole Limpet

Diodora graeca

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

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 48, February 35, March 55, April 87, May 125, June 136, July 146, August 125, September 92, October 69, November 38, December 29.
United States984
Alaska984
Spain41
France28
Portugal13
Occitanie12
Cantabria9
Galicia8
Andalucía8
United Kingdom8

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
OrderLepetellida
FamilyKeyhole Limpets · Fissurellidae
GenusDiodora

Sources

Remember the name next time.

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