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首页> 外文期刊>Facies >Zittelina massei n. sp., a new dasycladacean alga from the Lower Cretaceous strata of Padurea Craiului (Apuseni Mountains,Romania)
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Zittelina massei n. sp., a new dasycladacean alga from the Lower Cretaceous strata of Padurea Craiului (Apuseni Mountains,Romania)

机译:Zittelina massei n。Sp。,来自Padurea Craiului(罗马尼亚Apuseni山)下白垩统地层的一种新的dasycladacean藻类。

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摘要

A new taxon has been found in the Upper Aptian (Clansayesian)-Albian limestones of Padurea Craiului (Northern Apuseni Mountains). It is the second representative of the genus Zittelina identified in deposits older than the Cenozoic. This new species differs from Z. hispanica—described from Hauterivian deposits—for its axial cavity is narrower (with proportionally longer laterals and a lower d/D ratio) and the median part of the laterals are fused in verticillar planes. It also shows general features that distinguish it from related taxa in Cenozoic strata.
机译:在Padurea Craiului(北Apuseni山脉)的上阿普提安(克雷赛山脉)-阿拉伯石灰岩中发现了一个新的分类单元。它是早新生代沉积物中鉴定的Zittelina属的第二个代表。这个新物种不同于Z. hispanica(从Hauterivian沉积物中描述),因为它的轴向腔较窄(侧枝成比例地长,d / D值较低),并且侧枝的中部部分融合在垂直平面中。它还显示了将其与新生代地层的相关分类区分开的一般特征。

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