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Molluscs › Pen Shells

Sawtooth Pen Shell

Atrina serrata

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Wildlife study photograph from iNaturalist.
(c) pmk00001, 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 Texas.January 43, February 41, March 46, April 88, May 54, June 26, July 23, August 24, September 29, October 34, November 45, December 39.
United States1,177
Texas483
Georgia55
North Carolina54
Alabama25
South Carolina20
Louisiana8
Mississippi2
Mexico2
Tamaulipas2

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 Sawtooth 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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