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 34. Geophis omiltemanus (Günther) Geophis omiltemana Günther 1893 : 92 . Dirosema omiltemanum : Boulenger 1894 : 299 . Atractus omiltemanus : Cope 1896: 1024 . Catastoma omiltemanum : Amaral 1929 : 192 . Geophis omiltemana : Smith 1941b : 1 . Geophis omiltemanus : Downs 1967 : 124 . Syntypes . Three, The Natural History Museum, London (BMNH) 1946.1.6.35­37 collected by H.H. Smith. Downs (1967:124) designated 1946.1.6.37, an adult male, the lectotype . Type­locality. Omilteme, Guerrero, Mexico , ca. 2438 m elevation. Distribution. Known from the vicinity of the type locality, in the Sierra Madre del Sur, Guerrero, Mexico , and from western Oaxaca. Species group. omiltemanus ( Downs 1967 ) . Systematic references. Günther (1893) , Downs (1967) , Hardy (1976) . Remarks. Campbell (1988:28) reported this species from San Andrés Chicahuaxtla, Oaxaca, Mexico , based on a personal communication from C. H. Bogert.