Parmley, D.; Walker, D. (2003). Snakes of the Pliocene Taunton local fauna of Adams County, Washington with the description of a new colubrid. Journal of Herpetology. 37(2): 235-244.
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Parmley, D.; Walker, D.
2003
Snakes of the Pliocene Taunton local fauna of Adams County, Washington with the description of a new colubrid