ammonoids信息详情
[古生]菊石类
cammock rd scarborough me───卡莫克路斯卡伯勒我
ammon gruwell───阿蒙·格鲁威尔
ammoniacal nitrogen───氨态氮；[化] 氨型氮
mammoth toys───猛犸玩具
casings ammo───弹壳弹药
ammoniac def───氨化def
ammonium chloride───卤砂，[无化]氯化铵；n.氯化铵，卤砂
ammon───n.阿蒙神（古代埃及的太阳神）
ammoniac───n.氨树胶；氨草胶；adj.氨的；含氨的
mammock───碎皮
Then Whiteside and Ward looked at the fossil record of ammonoids, a class of creatures that resemble shelled squid and dominated Earth's oceans from 400 million to 65 million years ago.───怀特塞德和沃德也研究了菊石的化石记录。菊石室一种类似于鱿鱼的生物，四亿至五亿年之前菊石遍布地球海洋之中。
Ammonoids, with their tightly coiled, spiral shells, are also widespread in the Permian fossil record.───鹦鹉螺化石，这些螺旋状的贝壳，经常分布在二叠纪的化石群中。
The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.───在这一系列周期性物种灭绝事件里，白垩纪晚期恐龙和菊石的灭绝仅仅是其中一个比较严重的事件。
Remains of more modern corals, diverse pelecypods, sea urchins and ammonoids characterize the marine strata of the Mesozoic ERA.───中生代生物的特征是出现较现代的珊瑚，各种各样的瓣鳃，海胆和菊石。