Publications 2015, Vol. 46(4), Pp. 577 Categories: Biodiversity, Oklahoma, Reptiles Posted By: Cameron D. Siler Sonora semiannulata (Western Groundsnake). Distribution Record Heitz, B.B., E.D. Ellsworth, N.A. Huron, A.D. Geheber & C.D. Siler. 2015. 2015 Herpetological Review. 46(4):577. DOWNLOAD FULL PDF SHARE