8.可愛擬圓口螺

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個螺層,前幾個螺層逐漸增長,略膨 ......（本文共 653 字 , 3 張圖）     [閱讀本文] >>