Classification
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Sistrurus - Pigmy Rattlesnakes And Massasaugas
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Sistrurus catenatus - Massasauga
- S. c. catenatus - Eastern Massasauga
- S. c. edwardsii - Desert Massasauga
- S. c. tergeminus - Western Massasauga
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Sistrurus catenatus - Massasauga
