Classification
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Thamnophis - North American Garter & Ribbon Snakes
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Thamnophis proximus - Western Ribbonsnake
- T. p. alpinus - Chiapas Highland Ribbonsnake
- T. p. diabolicus - Arid Land Ribbonsnake
- T. p. orarius - Gulf Coast Ribbonsnake
- T. p. proximus - Orange-striped Ribbonsnake
- T. p. rubrilineatus - Red-striped Ribbonsnake
- T. p. rutiloris - Gulf Coast Ribbonsnake
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Thamnophis proximus - Western Ribbonsnake