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Hebetancylus excentricus : ウィキペディア英語版 | Hebetancylus excentricus
''Hebetancylus excentricus'', the excentric ancylid, is a species of small, freshwater, air-breathing limpet, an aquatic pulmonate gastropod mollusc or micromollusc in the family Planorbidae, the ram's horn snails and their allies. == Geographic distribution == ''H. excentricus'' is widely distributed across North and Central America and the Caribbean.〔 The main area of its North American range extends from Florida to Texas, but it has also been reported from scattered ponds and river backwaters along the length of the southern Atlantic Coastal Plain as far north as North Carolina. This pattern of contagious distribution suggests that the species is possibly being dispersed through the air by migratory waterfowl.
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「Hebetancylus excentricus」の詳細全文を読む
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