... 四偏齿像 Tetrabelodon 四腮亚目 Tetrabranchiata 四射骨刺 tetractinellid spicule ...
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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.
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。
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