A checklist and key to the snakes of the genus Geophis (Squamata: Colubridae: Dipsadinae), with commentary on distribution and conservation Author Wilson, Larry David Author Townsend, Josiah H. text Zootaxa 2007 1395 1 31 journal article 10.5281/zenodo.273681 1414766b-1cb5-4fdb-be42-306fac45815d 1175­5326 273681 39. Geophis russatus Smith & Williams Geophis sallaei russatus Smith & Williams 1966 : 90 . Geophis russatus : Downs 1967 : 138 . Holotype . University of Illinois Museum of Natural History ( UIMNH ) 61409, adult male collected 25 May 1965 by T. MacDougall. Type­locality. La Concepción, near Putla, Oaxaca, México . Distribution. Known only from the type locality in the Sierra de Miahuatlán, Oaxaca, México . Species group. sieboldi ( Downs 1967 ) . Systematic references. Smith & Williams (1966) , Downs (1967) . Remarks. Downs (1967: 138) elevated the name russatus to species level in a footnote.