Molluscs › River Mussels

Giant Floater

Pyganodon grandis

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 Ontario.January 265, February 272, March 431, April 843, May 1,620, June 759, July 572, August 517, September 544, October 445, November 278, December 248.
United States22,690
Canada8,169
Ontario6,796
Michigan3,015
Ohio2,756
Illinois2,723
Minnesota1,802
Texas1,240
Indiana947
Manitoba912

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
GenusFloater Mussels · Pyganodon

Sources

Remember the name next time.

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