About Truncilla donaciformis (I.Lea, 1827)
Truncilla donaciformis, commonly known as the fawnsfoot, is a species of freshwater mussel. It is an aquatic bivalve mollusk that belongs to the family Unionidae. This species is found across the United States, in the Mississippi River drainage, Great Lakes region, Mobile basin, and Gulf Coast region, ranging from South Dakota east to Pennsylvania, south to Georgia, and west to Texas. It also occurs in southern Ontario, Canada.