1) euconodont

真牙形石
1.
However, this conclusion was based on the evidence from some highly derived euconodont taxa; the degree of their plesimophic to basal euconodonts still remains in question.
然而 ,这些结论是通过对高度进化的真牙形石属的研究获得的 ;它们在多大程度上代表了原始真牙形石还存在疑问。
2) earliest euconodonts

最早的真牙形石
3) primitive euconodonts

原始真牙形石
4) conodonts

牙形石
1.
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
2.
Based on the study about silurian conodonts in the northern section of Longmen Mountain,4 conodont zones,including 6 subzones,were built in this area for the first time.
作者通过对龙门山北段志留纪牙形石的研究,首次建立了本区的牙形石带四个,亚带六个,自下而上为Spathognathodus obesus带,包括上、下两个亚带A和B;Spathognathodus parahassi—P。
3.
During 1∶50000 regional geological and mineral survey,some conodonts fossils such as of Streptognathodus suberectus,Idiognathoides sinuate et al.
1∶5万区域地质矿产调查于东天山库姆塔格沙垄地区康古尔塔格深大断裂北侧灰岩中,发现了Streptognathodus suberectus,Idiognathoides sinuata等牙形石,确认其地质时代为晚石炭世达拉阶,该套地层归属哈尔里克地层小区底坎儿组,具有弧后盆地建造特色。
5) conodont
[英]['kəunədɔnt] [美]['konə,dɑnt, 'kɑnə-]

牙形石
1.
Triassic conodont biostratigraphy in the Coqên area, western Gangdise, Tibet, China;

西藏冈底斯西段措勤地区三叠纪牙形石生物地层特征
2.
Discovery of Permian and Triassic conodonts in the Shiquanhe area, Ngari, western Tibet, Chian and their significances;
西藏西部狮泉河地区二叠纪和三叠纪牙形石的发现及其意义
3.
The Late Carboniferous conodont Neognathodus fauna in Xainza,Tibet,China,and its significance.;
西藏申扎地区晚石炭世牙形石Neognathodus动物群的特征及其意义
6) paraconodonts

副牙形石
1.
Little is known about the evolutionary trends of the coniform paraconodonts.

单锥副牙形石的演化趋向尚不清楚。
补充资料:五岳真形图
1.道教符箓。据称为太上道君所传,有免灾致福之效。今河南登封县嵩山中岳庙内存有此图的碑刻。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条