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Revision of the Conodont Mockina slovakensis and Its Paleogeographic Implications for the Upper Triassic Intraplatform Basins of the Alps
Journal of Earth Science ( IF 3.3 ) Pub Date : 2021-05-07 , DOI: 10.1007/s12583-021-1411-5
Yixing Du , Viktor Karádi , Guido Roghi , Maurizio Ponton , Andrea Cozzi , Manuel Rigo

Mockina slovakensis, thought to have evolved from Epigondolella praeslovakensis, is an important species of the Norian (Upper Triassic), generally considered as the representative of the uppermost Alaunian to upper Sevatian in the Tethys. The previous description of M. slovakensis was incomplete, thus has led to some misidentifications. We thus update the description of M. slovakensis and discuss its comparisons and occurrence based on the new conodont investigations in Dolomia di Forni and the data from previous literatures. The conodont assemblage in the succession of Dolomia di Forni is dominated by M. slovakensis, along with rare M. postera and E. praeslovakensis. We described two morphotypes of M. slovakensis (morphotypes A and B), on the basis of shape of the lateral profile. These two morphotypes can also be observed in the E. praeslovakensis. Moreover, M. slovakensis is usually documented as almost monospecific conodont association in intraplatform basins, thus its paleogeographic implications are also discussed.



中文翻译:

阿尔卑斯山上三叠世台内盆地牙形石斯洛伐克斯洛伐克的修订及其古地理学意义

斯洛伐克小鹦鹉Mockina slovakensis)被认为是从Pragoneella praeslovakensis进化而来的,是Norian(上三叠纪)的重要物种,通常被认为是特提斯山脉最高Alaunian到Sevatian的代表。先前对斯洛伐克分枝杆菌的描述不完整,因此导致了一些误认。因此,我们根据斯洛伐克Dolomia di Forni的新牙形石调查和先前文献中的数据,更新了斯洛伐克斯洛伐克支原体的描述,并讨论了它的比较和发生。多洛米亚·迪·福尔尼(Dolomia di Forni)演替过程中的牙形石组合主要由斯洛伐克支原体,稀有支原体支原体普罗埃斯洛维支原体组成。。我们根据侧向轮廓的形状描述了斯洛伐克分枝杆菌的两种形态型(形态型A和B)。这两种形态型也可以在E.praeslovakensis中观察到。此外,斯洛伐克支原体通常在平台内盆地中被记录为几乎单种的牙形体缔合体,因此也讨论了其古地理意义。

更新日期:2021-05-07
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