Eastern elliptio
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Elliptio
- species: Elliptio complanata
Sainte-Marie
Quebec
Canada
Enfield- South Woodstock
- Southwood Acres
- Thompsonville
- Wauregan
Connecticut- Brewer
Maine- Lake Arbor
- Springdale
- Woodmore
Maryland- Gill
- Longmeadow
- Milton
- West Wareham
Massachusetts- Castleton-on-Hudson
- Constantia
- Ogdensburg
New York- Beaufort
- Bent Creek
- Carrboro
- Dobson
- Elkin
- Erwin
- Fairview
- Farmville
- Fayetteville
- Halifax
- Jonesville
- Lake Lure
- Lake Waccamaw
- Lillington
- Louisburg
- Maysville
- Morrisville
- Polkton
- Princeton
- Princeville
- Tabor City
- Tarboro
- Trenton
- Weddington
- Weldon
- Wesley Chapel
- Whispering Pines
- Winton
- Yanceyville
North Carolina- Delaware
Ohio- Duncannon
Pennsylvania- Cheraw
- Chesterfield
- Ware Shoals
South Carolina- Banner Hill
Tennessee
United States