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Finds of Upper Devonian Linguloids of the Genus Paterula Barrande (Family Paterulidae Cooper) in the Volga–Ural and Timan–Pechora Regions
Paleontological Journal ( IF 0.7 ) Pub Date : 2021-09-01 , DOI: 10.1134/s0031030121040134 T. N. Smirnova 1 , E. A. Zhegallo 2
中文翻译:
在伏尔加 - 乌拉尔和蒂曼 - 伯朝拉地区发现的上泥盆统小舌鱼属(Paterulidae Cooper)
更新日期:2021-09-02
Paleontological Journal ( IF 0.7 ) Pub Date : 2021-09-01 , DOI: 10.1134/s0031030121040134 T. N. Smirnova 1 , E. A. Zhegallo 2
Affiliation
Abstract
A new species, Paterula (?) vasilievae, from the Frasnian of the Volga–Ural and Timan–Pechora regions is described. The species has weakly convex valves, a protegulum on both valves, and a ventral pseudoarea. The shell microstructure has been studied on both valves at different age stages.
中文翻译:
在伏尔加 - 乌拉尔和蒂曼 - 伯朝拉地区发现的上泥盆统小舌鱼属(Paterulidae Cooper)
摘要
描述了来自伏尔加 - 乌拉尔和蒂曼 - 伯朝拉地区的弗拉斯尼亚的一个新物种Paterula (?) vasilievae。该物种有弱凸瓣,两个瓣上都有一个前体,以及一个腹侧假区。已经研究了不同年龄阶段的两个阀门的壳体微观结构。