conodonts信息详情
牙形石
stalled economy───停滞的经济
conoidal shell───劈锥曲面壳
xenophon oeconomicus───异种经济
arcadia economics youtube───阿卡迪亚经济学youtube
economic decline───经济衰退
economic growth is a path───经济增长是一条道路
agglomeration economies───聚集经济
russian economy───俄罗斯经济
cogs economics───cogs经济学
economically speaking───从经济上讲
extinct at the end of the Triassic Period, about the time dinosaurs were evolving.───在三叠纪末期灭绝了，这正是恐龙开始演化的时代。
Precordilleran conodonts are mainly related to a calm and warm-water ocean.───刺的分布主要与平静的暖水大洋有关。
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。
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 went extinct at the end of the Triassic Period, about the time dinosaurs were evolving.
Furthermore, there appears to be a total absence of dentine, which is unexpected if conodonts are vertebrates.
Peavey is going to discuss her work on conodonts November 1 at the annual meeting of the Geological Society of America in Denver.
They first shared space with trilobites, sea scorpions and other animals that went extinct long before conodonts did.
Coal measures of Middle and Upper Carboniferous in North China contain abundant conodonts, but their occurrence at various localities is different.
But in the conodonts examined so far the crystalline structure within this layer is very variable.
Restudy of Conodonts from the Base of the Daye Formation and the Top of the Changhsing Formation in Jiangxi Province ... Wang Zhihao, Zhu Xiangshui.
The discovery of this conodont-bearing animal suggests that at least some conodonts may be among the most primitive of vertebrates.
Apart from conodonts, unequivocal evidence for fish does not occur until the Ordovician.