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Molluscs › River Mussels

Pistolgrip

Quadrula verrucosa

Wildlife study photograph from iNaturalist.
(c) lesshafftm, some rights reserved (CC BY-NC)

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 Alabama.January 16, February 17, March 18, April 31, May 22, June 14, July 12, August 23, September 55, October 17, November 13, December 13.
United States1,076
Alabama198
Texas131
Kentucky82
Canada80
Ontario80
Missouri72
Illinois69
Wisconsin69
Ohio67

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
OrderFreshwater Mussels · Unionida
FamilyRiver Mussels · Unionidae
GenusQuadrula

Sources

Remember the name next time.

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