Nature By NameSign inCreate an account

Molluscs › River Mussels

Triangular Kidneyshell

Ptychobranchus greenii

Learn Triangular Kidneyshell freeHow it works
Wildlife study photograph from iNaturalist.
(c) sethshively, some rights reserved (CC BY-NC)

6 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.

See all photosAdd a photo

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 12, February 13, March 13, April 24, May 17, June 11, July 9, August 9, September 11, October 12, November 10, December 10.
United States202
Alabama150
Georgia29
Arkansas10
Missouri10
Tennessee1
Mississippi1
Kansas1

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
GenusPtychobranchus

Sources

Remember the name next time.

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

Create a free accountHow it works