Lampsilis cardium

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Lampsilis cardium
Lampsilis cardium.jpg
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionoida
Family: Unionidae
Genus: Lampsilis
Species: L. cardium
Binomial name
Lampsilis cardium
Rafinesque, 1820

Lampsilis cardium is a species of freshwater mussel in the family Unionidae, the river mussels. It is known commonly as the plain pocketbook.[1] It is widespread in eastern North America, where it is native to the Mississippi River and Great Lakes drainage systems.


All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. Lampsilis cardium accomplishes this by having the inner sides of its mantle flaps marked with longitudinal stripes, resembling a small fish of the genus Notropis. When these are attacked and ruptured by a striking predator fish, the mussel larva is released into the gills of the host fish where it feeds and develops.[1]


  1. ^ a b Plain pocketbook, Lampsilis cardium. Unio Gallery. Missouri State University.

External links[edit]

  • Bogan, A. E. 1996. Lampsilis cardium. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. Downloaded on 26 December 2013.