三叠纪早期的氨类动物 Churkites 属 Okuneva, 1990：南滨海地区的系统发育重建和新发现

IF 0.7 4区地球科学 Q4 PALEONTOLOGY

Paleontological Journal Pub Date : 2024-04-16 DOI:10.1134/s003103012401009x

Y. D. Zakharov, I. V. Borisov, O. P. Smyshlyaeva, L. G. Bondarenko, A. M. Popov

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引用次数: 0

摘要

摘要研究了南滨海省一个新地点（Artyomovka 河流域，Shtykovskie Prudy）的 Churkites 属（Arctoceratidae 科 Arthaber，1911 年）早期奥利奈基时期氨虫的地层分布情况。根据哈巴罗夫斯克地区（T.M. Okuneva 的藏品）和南滨海地区奥利涅基岩下层的材料，描述了 Churkites 的新品种（Ch. ungunensis sp.重新定义了 Churkites 属（Ch. egregius Zharnikova et Okuneva, 1990 年）模式种的组成。建议在 Arctoceras 属（A. tuberculatum）和 Churkites 属（六个物种）中区分三个系统发育系：(I) Arctoceras tuberculatum-Churkites noblei-Ch. egregius，(II) Ch. egregius-Ch. syaskoi 和 (III) Ch. syaskoi-Ch. subungunensis-Ch. ungunensis。

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Early Triassic Ammonoids of the Genus Churkites Okuneva, 1990: Phylogenetic Reconstructions and New Finds in South Primorye

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Early Triassic Ammonoids of the Genus Churkites Okuneva, 1990: Phylogenetic Reconstructions and New Finds in South Primorye

Abstract

The stratigraphic distribution of early Olenekian ammonoids of the genus Churkites (family Arctoceratidae Arthaber, 1911) from a new locality in South Primorye (Artyomovka River basin, Shtykovskie Prudy) is studied. The new species of Churkites (Ch. ungunensis sp. nov. and Ch. subungunensis sp. nov.) are described based on the material from the lower Olenekian zones of the Khabarovsk Region (T.M. Okuneva’s collection) and South Primorye. The composition of the type species of the genus Churkites (Ch. egregius Zharnikova et Okuneva, 1990) is re-defined. It is proposed to distinguish three phylogenetic lineages within the genera Arctoceras (A. tuberculatum) and Churkites (six species): (I) Arctoceras tuberculatum–Churkites noblei–Ch. egregius, (II) Ch. egregius–Ch. syaskoi and (III) Ch. syaskoi–Ch. subungunensis–Ch. ungunensis.

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来源期刊

Paleontological Journal 地学-古生物学

CiteScore

1.20

自引率

33.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Paleontological Journal (Paleontologicheskii zhurnal) is the principal Russian periodical in paleontology. The journal publishes original work on the anatomy, morphology, and taxonomy of fossil organisms, as well as their distribution, ecology, and origin. It also publishes studies on the evolution of organisms, ecosystems, and the biosphere and provides invaluable information on global biostratigraphy with an emphasis on Eastern Europe and Asia.