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Disteira : ウィキペディア英語版
Disteira

''Disteira'' is a genus of sea snakes.
==History==
''Disteira'' was characterized by Boulenger in 1890 as having grooved maxillary teeth following the first pair of poison fangs. However, later dental examination under more powerful magnification found all sea snakes have grooves in their teeth, some deep and wide channels visible to the naked eye, others only at the base of the tooth and requiring magnification to observe. In light of those new findings, ''Disteira'' and ''Hydrophis'' were merged until McDowell resurrected ''Disteira'' as a separate genus in 1972 to accommodate new species. He redefined ''Disteira'' as possessing a broad dorsal portion of the venom gland muscle called the ''Oxyuranus'' pattern.
Although McDowell rolled the monotypic genus ''Astrotia'' - which contains only Stoke's seasnake - into ''Disteira'', that classification is not widely adopted.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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