Massasauga
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Viperidae
- genus: Sistrurus
- species: Sistrurus catenatus
- Aledo
- Bannockburn
- Deerfield
- Paris
- Quincy
Illinois- Hudson Lake
- New Carlisle
- Zionsville
Indiana- St. Louis
Missouri- Las Cruces
New Mexico- Bergen
New York- Cache
- Weatherford
Oklahoma- Racine
Wisconsin- Green River
Wyoming
United States