哈萨克斯坦中部上奥陶统碳酸盐岩丘中的双足类和三足类腕足类

IF 1.2 4区地球科学 Q3 PALEONTOLOGY

Alcheringa Pub Date : 1996-01-01 DOI:10.1080/03115519608619219

I. Nikitin, L. Popov

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引用次数: 14

摘要

报道了哈萨克斯坦中部晚奥陶世(卡拉多克晚期至阿什吉尔早期)杜拉卡拉地区阶段的10种双翅目和三翅目腕足类动物。它们代表了一种多样的腕足动物组合的一部分，这些组合是在北巴达拉沙漠的一个碳酸盐丘的顶部发现的。这一腕足类组合包括了哈萨克斯坦同时期沉积物中未记录的大部分属，尽管它们可能与Llanvirn或Llandeilo期间出现在该地区的长寿谱系有关。新分类群为:plectambonitae Bandaleta plana gen. et sp. nov、Shlyginia perplexa sp. nov、sortanstata gen. et sp. nov、Anoptambonites subcarinatus sp. nov、Anisopleurella ampla sp. nov、asperpedelia roomusoksi sp. nov、Triplesia sortanensis sp. nov。

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Strophomenid and triplesiid brachiopods from an Upper Ordovician carbonate mound in central Kazakhstan

Ten species of strophomenid and triplesiid brachiopods are described from the Late Ordovician (late Caradoc to early Ashgill) Dulankara Regional Stage of Central Kazakhstan. They represent part of a diverse brachiopod assemblage, which was discovered in the top of a carbonate mound in the northern Betpak-Dala Desert. This brachiopod assemblage includes mostly genera not recorded previously from contemporaneous deposits in Kazakhstan, although they may be related to the long-lived lineages which appeared in the area during Llanvirn or Llandeilo. New taxa are: the plectambonitoids Bandaleta plana gen. et sp. nov., Shlyginia perplexa sp. nov., Sortanella quinquecostata gen. et sp. nov., Anoptambonites subcarinatus sp. nov., Anisopleurella ampla sp. nov., Craspedelia roomusoksi sp. nov., and triplesioid Triplesia sortanensis sp. nov.

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来源期刊

Alcheringa 地学-古生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Alcheringa : An Australasian Journal of Palaeontology is the official journal of the Australasian Palaeontologists. Alcheringa covers all aspects of palaeontology and its ramifications into the earth and biological sciences, including: Taxonomy- Biostratigraphy- Micropalaeontology- Vertebrate palaeontology- Palaeobotany- Palynology- Palaeobiology- Palaeoanatomy- Palaeoecology- Biostratinomy- Biogeography- Chronobiology- Biogeochemistry- Palichnology. Review articles are welcome, and may be solicited from time to time. Thematic issues are also possible. Emphasis is placed on high quality and informative illustration, in both line drawings and photographs. Papers of general significance may receive preference over those of more local interest.