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Molluscs › Pen Shells

Half-naked Pen Shell

Atrina seminuda

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Wildlife study photograph from iNaturalist.
(c) siguisira, no rights reserved (CC0)

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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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 South Carolina.January 8, February 9, March 8, April 42, May 10, June 6, July 5, August 5, September 6, October 7, November 6, December 7.
United States270
South Carolina90
Texas30
Argentina15
Brazil11
Georgia6
North Carolina5
Buenos Aires4
Louisiana3
Espirito Santo3

Counts show where people looked, not only where it lives.

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Group and habits

  • Filter feederFeeds by filtering suspended food particles from water.From its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassBivalves · Bivalvia
OrderOysters and Allies · Ostreida
FamilyPen Shells · Pinnidae
GenusAtrina

Sources

Remember the name next time.

Practise Half-naked Pen Shell 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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