Elktoe
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Alasmidonta
- species: Alasmidonta marginata
Lafayette
Indiana- Ionia
Michigan- Portville
- Weston Mills
- Westons Mills
New York- Tahlequah
Oklahoma- Avis
- Enola
- Franklin
- West Fairview
- Wormleysburg
Pennsylvania- Linden
- Sneedville
Tennessee- Jonesville
- Lowes Island
- Monterey
Virginia
United States
Ottawa