conodonts

conodonts

美 [kənɒ'dɒnts] 　英 [kənɒ'dɒnts]

• n.【古生物】牙形虫
• 网络牙形石；各种各样的牙形石；牙形刺

词形变化

复数：conodonts  

英汉解释

n.	1. 【古生物】牙形虫

英英解释

n.	1. a very small tooth-shaped fossil thought to be the remains of a marine organism.

例句

It might be due to the Halloween weekend, but the above reminds me of the below image. Imagine if Medusa had conodonts instead of snakes.

可能是因为周末是万圣节的关系，上面的图片让我联想到了下面的画面。想象一下，头发不是蛇而是牙形刺的美杜莎。

Conodonts first emerged around 500 million years ago and died out just as dinosaurs were beginning to take shape.

牙形刺最早出现于大约5亿年前，就在恐龙开始登上历史舞台时灭绝了。

Peavey is going to discuss her work on conodonts November 1 at the annual meeting of the Geological Society of America in Denver.

Peavey正准备于11月1日在丹佛举行的美国地质协会年会上讨论她的研究成果。

Conodonts went extinct at the end of the Triassic Period, about the time dinosaurs were evolving.

牙形刺在三叠纪末期灭绝了，这正是恐龙开始演化的时代。

The Nashui section of Luodian, Guizhou is a good section for the study of the Pennsylvanian conodonts and the stage boundaries.

贵州罗甸纳水剖面是研究宾夕法尼亚亚系牙形刺和各阶界线的良好剖面。

One reason why conodonts have remained so enigmatic, despite the fossil finds, is that their soft bodies didn't leave much to make fossils.

牙形刺之所以仍然如此神秘，一个原因就是除了发现过它们的牙齿化石以外，它们柔软的躯体无法变成化石保存到今天。

Conodonts lived in the Cambrian seas, and may have eaten certain types of plankton, but no one knows for sure.

牙形刺生活在寒武纪的海洋中，可能以某种浮游生物为食，不过没人清楚具体情况。

The event took its hardest toll on marine organisms such as shelled brachiopods, eel-like conodonts, and the trilobites.

这个事件使海洋生物付出了最惨重的代价，如带壳的腕足类，鳗鱼类牙形虫和三叶虫等就这样灭绝了。

Ordovician conodonts from Kalpin of Xinjiang and Pingliang of Gansu across the base of Upper Ordovician Series

新疆柯坪和甘肃平凉上奥陶统底部附近的牙形刺

Geochemical characteristics of paleoseawater from the Early Ordovician of Yangtze Craton: Evidence from the trace elements in conodonts

扬子克拉通早奥陶世古海水地球化学特征：来自牙形石微量元素的证据