圖6-8PseudopomatiasamoenusMoellendorff,1885Nachr.Bl.,p.177,pl.5,f.11..PseudopomatiasamoenusYen,1939AbhSenckenb.natur.Ges.,444:26,pl.2,f.19,20.模式標(biāo)本產(chǎn)地湖北省巴東。形態(tài)描述貝殼小型,殼質(zhì)薄,透明,有光澤,呈圓錐形或塔形。有7個(gè)螺層,前幾個(gè)螺層逐漸增長,略膨 (共 653 字) [閱讀本文] >>