常見例句Ammonites are a group of marine animals of the subclass Ammonoidea in the class Cephalopoda, phylum Mollusca. 石菊是軟躰動物門頭足綱石菊亞綱的一類水生動物。of or related to fossil cephalopods of the order Ammonoidea. 菊石目頭足動物的化石或者與這種化石相關(guān)的。of or related to fossil cephalopods of the order Ammonoidea 菊石目頭足動物的化石或者與這種化石相關(guān)的 返回 Ammonoidea