Home - Taxonomy - Geography - Biodiversity - Literature - Purchase RepFocus Recent updates Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: April 12th, 2025. Taxonomy of the family Lamprophiidae Bibliography of the genus Chilorhinophis Biodiversity of the family Lamprophiidae Genus Chilorhinophis Black-and-Yellow Burrowing Snakes, Two-headed Snakes Schwarzgelbe Wühlnattern Sort-gule Gravesnoge 1907 Chilorhinophis Werner (type species: Chilorhinophis butleri Werner 1907) 1927 Parkerophis Barbour & Amaral (type species: Apostolepis gerardi Boulenger 1913; syn. Williams & Wallach 1989) Contents: 2 species, none of which are endemic. Endemism: 0% 100% Distribution: Equatorial Africa. Reported from: Congo-Kinshasa, Mozambique, South Sudan, Tanzania, Zambia, Zimbabwe. Meristic and other data of the world's snakes. Compiled by V. Wallach Key to abbreviations Head drawings of the genus Chilorhinophis. Compiled by V. Wallach Chilorhinophis butleri Sudan Black-and-Yellow Burrowing Snake, (Butler's Black-and-Yellow Burrowing Snake) Sudanische Wühlnatter Sudanesisk Sort-gul Gravesnog, (Butlers Snog) 1907 Chilorhinophis butleri Werner 1927 Parkerophis carpenteri Parker Chilorhinophis carpenteri Loveridge 1951 Chilorhinophis butleri carpenteri Broadley & Howell 1991 1951 Chilorhinophis carpenteri liwalensis Loveridge (Broadley & Howell 1991) Other common names: carpenteri: Mozambique Black-and-Yellow Burrowing Snake, Mozambique Two-headed Snake Remarks: Some authors regard carpenteri as a separate species (e.g., Welch 1982). Distribution: Mozambique, South Sudan, Tanzania. Chilorhinophis gerardi Katanga Black-and-Yellow Burrowing Snake, (Gerard's Black-and-Yellow Burrowing Snake) Kongolesische Wühlnatter Congolesisk Sort-gul Gravesnog, (Gerards Snog) 1913 Apostolepis Gerardi Boulenger Parkerophis gerardi Barbour & Amaral 1927 Chilorhinophis gerardi Loveridge 1933 1951 Chilorhinophis gerardi tanganyikae Loveridge Other common names: gerardi: Zaire Striped Burrowing Snake tanganyikae: Tanzanian Black-and-Yellow Burrowing Snake Distribution: Congo-Kinshasa, Tanzania, Zambia, Zimbabwe.