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 43. Geophis sieboldi (Jan) Elapoides Sieboldi Jan 1862 : 21 . C(atastoma) sieboldii : Cope 1868 : 131. Ninia sieboldi : Garman 1884 : 96 . E ( lapoidis ) sieboldii : Cope 1885 : 386. Geophis sieboldi : Smith 1941a : 4 . Syntypes . Originally four syntypes , two deposited in a museum collection in Milan, one in Vienna, and one in Munich. None are known to be extant ( Downs 1967: 171 ). Type­locality. “ Mexico ” and “ Guatemala .” Distribution. Unclear, two specimens referred to G. sieboldi are reported from Almolonga, Guerrero, and Coalcoman, Michoacan, Mexico ( Downs 1967 ). Species group. sieboldi ( Downs 1967 ) . Systematic references. Jan (1862) , Jan & Sordelli (1865) , Garman (1884) , Smith (1941a) , Downs (1967) .