牙形石(conodonts) 具有各种各样尖齿或锯齿状物的古代动物遗体,微体古生物学的重要研究内容之一。牙形石可能是一类已经绝灭的海生动物的骨骼或器官所形成的微小化石。
( 14 )牙形石( conodonts ) :是一类生活于寒 牙形石( 武纪至三叠纪的海生动物的内骨骼,貌似牙齿, 武纪至三叠纪的海生动物的内骨骼,貌似牙齿,故 其主...
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本文对深海硅质岩系中这一界线地层牙形石动物群特征进行了简要的描述。
We also concisely described the characteristics of the conodont fauna through the boundary strata.
主要的生物化石发育于台地相灰岩中,包括蜓类、牙形石等个体较大化石;
Main oryctocoenose preserved in limestone of platform facies includes various types of large bodies, such as Schwagerina subnathorsti(Lee), S. sp.
对这4个阶段的牙形石动物群和华北、华南同期牙形石动物群进行了详细的对比。
In this paper, a detailed comparison is made between the four phases in the Tarim Basin and the corresponding faunas in South China and North China.
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