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 16. Geophis dunni Schmidt Geophis dunni Schmidt 1932 : 8 . Holotype . Museum of Comparative Zoology ( MCZ ) 31870, adult female removed from the stomach of a coral snake, Micrurus nigrocinctus ( MCZ 17087), collected by W.B. Richardson. Type­locality. Matagalpa, Nicaragua . Distribution. Known only from the type locality. Species group. sieboldi ( Downs 1967 ) . Systematic references. Schmidt (1932) , Downs (1967) , Townsend (2006).