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 26. Geophis laticollaris Smith, Lynch , & Altig Geophis laticollaris Smith, Lynch , & Altig 1965: 2. Geophis sallaei : Downs 1967 : 168 . Holotype . University of Illinois Museum of Natural History ( UIMNH ) 57170, adult female collected 29 June 1964 by R. Altig. Type­locality. Three miles south of Putla, Oaxaca, Mexico . Distribution. Known only from the type locality in the northern Sierra Madre del Sur, Oaxaca, Mexico . Species group. Unassigned. Geophis laticollaris is apparently closely related to G. s a l l a e i , which is in the sieboldi group ( Downs 1967 ). Systematic references. Smith, Lynch, and Altig (1965), Down (1967) , Smith & Chiszar (1992) . Remarks. Geophis laticollaris was synonymized with G. s a l l a e i by Downs (1967) , but later resurrected by Smith & Chiszar (1992) after examining materials acquired subsequent to publication of Downs’ work.