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Calamaria
Sign in to saveCalamaria is a large genus of dwarf burrowing snakes of the family Colubridae. The genus contains 66 recognized species. The genus is endemic to Asia.
Species
鐵線蛇屬（學名：Calamaria），是蛇亞目游蛇科鐵線蛇亞科下的一個蛇屬，屬下的鐵線蛇主要分布於亞洲。此蛇因為身型細小，頭部狹窄，而且眼睛不明顯，不易分辨首尾，因此亦曾被稱為「兩頭蛇」 这是一篇與蛇類相關的小作品。你可以通过编辑或修订扩充其内容。 查 论 编 取自“https://zh.wikipedia.org/w/index.php?title=鐵線蛇屬&oldid=26247111” 分类： 游蛇科 蛇亚目 隐藏分类： 本地相关图片与维基数据相同 全部小作品 蛇類小作品
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Calamaria is a large genus of dwarf burrowing snakes of the family Colubridae. The genus contains 66 recognized species. The genus is endemic to Asia.
==Description== Species in the genus Calamaria share the following characteristics. The eight to 11 maxillary teeth are subequal; the anterior mandibular teeth are somewhat longer than the posterior ones. The head is not distinct from neck; the eye is small, with a round pupil; the nostril is pierced in a minute nasal scale. No loreal, internasal, or temporal scales are present; the preocular can be present or absent; the parietals contact the labials. The body is cylindrical, with smooth dorsal scales, without apical pits, in 13 rows. The tail is short; the subcaudals are paired.