Massasauga
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Viperidae
- genus: Sistrurus
- species: Sistrurus catenatus
Aledo
Bannockburn
Deerfield
Paris
Quincy
IllinoisHudson Lake
New Carlisle
Zionsville
IndianaSt. Louis
MissouriLas Cruces
New MexicoBergen
New YorkCache
Weatherford
OklahomaRacine
WisconsinGreen River
Wyoming
United States