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''Gonyosoma'' is a genus of colubrid snakes. ==Description== There are a few distinct morphological characteristics that distinguish ''Gonyosoma'' from ''Elaphe''. In scutellation there are 2-3 supralabials that contact the eye, with typically two in ''G. oxycephalum'', and three in ''G. jansenii''. The supralabial at the posterior of the eye is highly arched around the back of the eye. The loreal scale is thin and elongate, and appears stretched between the preocular and the nasal. Other diagnostic features is an elongate left rudimentary lung (70–141 mm), and a distinct hemipenes structure.〔Schulz, Klaus-Dieter. 1996. ''A Monograph of the Colubrid Snakes of the Genus ''Elaphe'' Fitzinger''. Havlickuv Brod, Czech Republic: Koeltz Scientific Books. 439 pp. ISBN 80-901699-8-8.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gonyosoma」の詳細全文を読む スポンサード リンク
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