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Molluscs › Slippersnails

Onyx Slippersnail

Crepidula onyx

Wildlife study photograph from iNaturalist.
(c) chilipossum, some rights reserved (CC BY)

27 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 California.January 85, February 73, March 76, April 95, May 92, June 68, July 58, August 59, September 75, October 77, November 98, December 76.
United States954
California929
Japan36
South Korea18
Chiba16
Nevada10
Mexico9
Wakayama Prefecture7
China7
Hong Kong Special Administrative Region7

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
FamilySlippersnails · Calyptraeidae
GenusTypical Slippersnails · Crepidula

Sources

Remember the name next time.

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