Skip to content

Molluscs › River Mussels

Lilliput

Toxolasma parvum

Wildlife study photograph from iNaturalist.
(c) elliotgreiner, some rights reserved (CC BY)

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.

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 Illinois.January 44, February 50, March 76, April 141, May 225, June 93, July 73, August 73, September 87, October 71, November 46, December 42.
United States4,798
Illinois1,021
Canada804
Ontario804
Ohio421
Minnesota363
Wisconsin351
Michigan308
Indiana285
Alabama275

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
GenusToxolasma

Sources

Remember the name next time.

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