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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Valvata oregonensis ： ウィキペディア英語版 Valvata oregonensis ''Valvata oregonensis'' is a species of fossil freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Taylor (1966) stated that ''Valvata oregonensis'' is a synonym of ''Valvata whitei''.〔Taylor D. W. 1966. ''Summary of North American Blancan nonmarine mollusks''. (Malacologia, volume 4(1) ), (1 )-172. (page 132 ).〕 Despite that the name ''Valvata oregonensis'' is still used (for example Pierce 1993〔Pierce H. G. 1993. (''The Nonmarine Mollusks of the Late Oligocene-Early Miocene Cabbage Patch Fauna of Western Montana III. Aquatic Mollusks and Conclusions'' ). Journal of Paleontology, Vol. 67, No. 6 (Nov., 1993), pp. 980-993.〕). == Distribution == The type locality for this species is the Warner Lake beds in eastern Oregon. The age is Pliocene.〔 ''Valvata oregonensis'' was a very common species in eastern Oregon during the Pleistocene. The University of Oregon collection contains specimens from numerous localities around the Warner Lake, Snake River Valley and in Lake County.〔 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「Valvata oregonensis」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.