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''Philodryas'' is a genus of colubrid snakes endemic to South America,〔 commonly called green snakes. ==Description== Species in the genus ''Philodryas'' share the following characters: Head distinct from neck, with distinct ''canthus rostralis''. Eye moderate or large. Pupil round. Body cylindrical or slightly laterally compressed. Tail long. Dorsal scales arranged in 17 to 23 rows at midbody, more or less obliquely. Subcaudals divided (in two rows). Maxillary teeth smallest anteriorly, 12-15, followed after a gap by two large grooved fangs located just behind the posterior border of the eye.〔 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「Philodryas」の詳細全文を読む スポンサード リンク
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