海量資源,盡在掌握
 圖6-27Boysidia(Boysidia)fengxianensisChen,1999ActaZootaxonomicaSinica.,24(2):127,f.1a,b,c.模式標(biāo)本產(chǎn)地陜西鳳縣高橋鋪河邊。形態(tài)特征貝殼微小,右旋,殼質(zhì)薄,易碎,有光澤,呈圓錐形,有41/2個(gè)螺層。各螺層均膨脹,螺旋部高,呈圓錐形,體螺層膨大。殼面呈黑 (共 707 字) [閱讀本文] >>