| 词条 | Afrotyphlops obtusus |
| 释义 |
| genus = Afrotyphlops | species = obtusus | authority = (Peters, 1865) | synonyms = *Typhlops (Onychocephalus) obtusus Peters, 1865 }} Afrotyphlops obtusus, also known as the slender blind snake or southern gracile blind snake,[1] is a species of snake in the Typhlopidae family.[2][3] It is endemic to Africa. Geographic rangeIt is found in southern Malawi, northern Mozambique, and extreme eastern Zimbabwe.[4] DescriptionDorsally, it is dark brown, with the base of each scale paler. Ventrally, it is pale brown to cream-colored. Maximum snout-vent length (SVL) is {{convert|37|cm|in|frac=2|abbr=on}}. The scales are arranged in 24 or 26 rows around the body, and there are more than 300 scales in the vertebral row.[4] Snout very prominent, rounded. Nostrils located inferiorly (ventrally). Rostral large, more than half as broad as the head; portion of rostral visible from below as long as broad. Nasal semidivided, the cleft proceeding from the first upper labial. Preocular much narrower than the nasal or the ocular, in contact with the second and third upper labials. Four upper labials. Eyes not distinguishable. Prefrontals and supraoculars broad. Diameter of body 43 to 50 times in the total length. Tail broader than long, ending in a spine.[5] HabitatThis species prefers loose humic soil in forests.[4] References1. ^Branch, Bill. 2004. Field Guide to Snakes and Other Reptiles of Southern Africa, Third Revised edition, Second impression. Ralph Curtis Books. Sanibel Island, Florida. {{ISBN|0-88359-042-5}}. p. 54. 2. ^{{ITIS |id=634657 |taxon=Typhlops |accessdate=August 16, 2010}} 3. ^McDiarmid, Roy W., Jonathan A. Campbell, and T'Shaka A. Touré, 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1 4. ^1 2 Branch, 2004. 5. ^Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families Typhlopidæ... Trustees of the British Museum (Natural History). London. p. 38. }} Further reading
7 : Afrotyphlops|Snakes of Africa|Reptiles of Malawi|Reptiles of Mozambique|Reptiles of Zimbabwe|Reptiles described in 1865|Taxa named by Wilhelm Peters |
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