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Molluscs › Onchidorididae

barnacle-eating dorid

Onchidoris bilamellata

5,076 observations in the source records

Wildlife study photograph from iNaturalist.
(c) elizabethwasmann, 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 Washington.January 79, February 70, March 79, April 105, May 132, June 101, July 82, August 79, September 81, October 73, November 64, December 73.
United States3,920
Washington1,583
Canada1,518
British Columbia1,329
Maine442
Quebec254
Alaska248
New Brunswick156
Oregon100
Nova Scotia81

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
OrderNudibranchs · Nudibranchia
FamilyOnchidorididae
GenusOnchidoris

Sources

Remember the name next time.

Practise barnacle-eating dorid with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.