Alasmidonta

species of mollusc

species of mollusc

Alasmidonta is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.

The elktoe (Alasmidonta marginata) is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is found in southeastern Canada and the eastern United States. Like many mussels, it is threatened by water pollution from agriculture, industry, and other development, such as acid mine drainage and sedimentation. It may be extinct in Oklahoma.

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc

species of mollusc