Paynita Permotaurica N. Gen., N. SP., and the Other Dagmaritin Foraminifera from the Changhsingian (Permian) of Southern Turkey: Review of Dagmaritin Phylogeny

IF 0.9 4区 地球科学 Q4 PALEONTOLOGY Journal of Foraminiferal Research Pub Date : 2021-01-31 DOI:10.2113/GSJFR.51.1.14
D. Altıner, S. Özkan-Altıner, S. G. Atasoy, N. Şahin
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引用次数: 1

Abstract

The name Paynita is proposed for a new dagmaritin genus from the upper Changhsingian (Permian) carbonates of the Southern Biofacies Belt in Turkey. Paynita permotaurica differs from its ancestor Paradagmarita monodi by a hook-shaped fold in the apertural flap terminating systematically against the inner surface of the septal wall to protect the opening from one chamber to the other. It is associated with several species of dagmaritins, belonging to Paradagmarita, Paradagmacrusta, Louisettita, Dagmarita, Danielita, and Bidagmarita. The overall analysis of dagmaritins reveals that the stratigraphic range of the group is from Wordian to Changhsingian. The revised chronostratigraphy in the type area of the genus Sengoerina indicates that this oldest dagmaritin was derived from Globivalvulina cyprica in the Wordian. The first occurrences of genera Dagmarita and Danielita postdate the first occurrence of Sengoerina in the Wordian. Paynita is the last evolutionary step of the Sengoerina-Dagmarita-Crescentia-Paradagmarita lineage characterized by a planar apertural flap whose structure practically remained unchanged during the process of evolution. Paynita is the first genus in this lineage displaying fold in the apertural flap similar to the evolution of Louisettita from Dagmarita.
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土耳其南部长兴期(二叠纪)的Paynita Permotaurica N. Gen., N. SP.和其他Dagmaritin有孔虫:Dagmaritin系统发育的综述
Paynita是土耳其南部生物相带上长兴期(二叠纪)碳酸盐岩中的一个新的达格马林属。permotaurica Paynita与其祖先Paradagmarita monodi的不同之处在于,开孔瓣中有一个钩状褶皱,系统地终止于隔壁的内表面,以保护从一个腔室到另一个腔室的开口。它与几种金盏花属植物有亲缘关系,分别属于金盏花、金盏花科、路易塞蒂塔属、金盏花属、丹妮塔属和比达马利塔属。通过对金盏花属植物的全面分析,表明该群的地层范围为从华店到长兴店。经修订的Sengoerina属模式区的年代地层学表明,这种最古老的达格马林来源于Wordian的Globivalvulina cypica。Dagmarita属和Danielita属的首次出现晚于Wordian中Sengoerina的首次出现。Paynita是Sengoerina Dagmarita Crescentia Paradagmarita谱系的最后一个进化步骤,其特征是平面开口皮瓣,其结构在进化过程中几乎保持不变。佩尼塔属(Paynita)是该谱系中第一个在开孔瓣中显示褶皱的属,类似于从达格马里塔进化而来的路易塞蒂塔属(Louisettita)。
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来源期刊
Journal of Foraminiferal Research
Journal of Foraminiferal Research 地学-古生物学
CiteScore
2.10
自引率
9.10%
发文量
32
审稿时长
>12 weeks
期刊介绍: JFR publishes original papers of international interest dealing with the Foraminifera and allied groups of organisms. Review articles are encouraged.
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