鹦鹉螺化石

东喀喇昆仑山奥陶纪鹦鹉螺化石新材料

New Ordovician nautiloids from Eastern Karakorum Mountains , SW Xinjiang

四川广元中志留统鹦鹉螺化石

Middle Silurian nautiloids from guangyuan , szechuan Province

鹦鹉螺化石证明地球曾经历大规模物种灭绝

The Fossil of Nautilus Proves that the Earth Had ever Experienced the Extinction of Tremendous of Species

安徽泾县上奥陶统五峰组鹦鹉螺化石湖北利川晚二叠世长兴期生物礁中的鹦鹉螺化石及其生态意义

Late Ordovician nautiloids from Wufeng Formation of jingxian , anhui study of nautiloids in the upper Permian Changxingian reefs from lichuan , west Hubei

有关四腮目头足类的，以两对腮为特征，并包括有腔鹦鹉螺和许多化石的种类。

Of , relating to , or being a cephalopod of the order Tetrabranchiata , characterized by two pairs of gills and including the chambered nautilus and many fossil species .