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Altaethyrella (Brachiopoda) from the Late Ordovician of the Tarim Basin, Northwest China, and its significance
Sproat, Colin D.1; Zhan, Renbin (詹仁斌)1,2
2018-10-01
Source PublicationJOURNAL OF PALEONTOLOGY
ISSN0022-3360
Volume92Issue:6Pages:1005-1017
Abstract

Altaethyrella tarimensis, a new species of rhynchonellide brachiopod, is described from the late Katian (Late Ordovician) Hadabulaktag Formation in the Kuruktag region of Xinjiang, Northwest China on the northeastern edge of the Tarim Basin. Serial sections of the shell clearly show no dorsal median septum or septalium in the dorsal valve, and no spiralia or atrypide-style crura. Like other species of the genus, A. tarimensis n. sp. exhibits a high degree of intraspecific variation, including variations in shell shape and size, number of ribs in the sulcus at the anterior, and degree of asymmetry. The discovery of Altaethyrella in Tarim has important paleogeographic implications, indicating a close relationship between the Late Ordovician brachiopod faunas of Tarim and those of the Kazakh terranes and North and South China paleoplates, supporting a recently published paleogeographic projection that places Tarim near the Chu-Ili terrane during the Late Ordovician. The abundant large biconvex shells of A. tarimensis n. sp. would have provided a firm substrate for encrusting filter feeders like bryozoans to establish on the Kuruktag Platform.

DOI10.1017/jpa.2018.31
Language英语
WOS KeywordChu-ili Range ; Kazakstan ; Phylogeography ; Evolution
Funding ProjectNational Natural Science Foundation of China[41521061] ; National Natural Science Foundation of China[41290261] ; Chinese Academy of Sciences[XDPB05] ; State Key Laboratory of Palaeobiology and Stratigraphy (LPS), Nanjing Institute of Geology and Palaeontology (NIGP)
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000449392500004
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; State Key Laboratory of Palaeobiology and Stratigraphy (LPS), Nanjing Institute of Geology and Palaeontology (NIGP)
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/16300
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorSproat, Colin D.
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Sproat, Colin D.,Zhan, Renbin . Altaethyrella (Brachiopoda) from the Late Ordovician of the Tarim Basin, Northwest China, and its significance[J]. JOURNAL OF PALEONTOLOGY,2018,92(6):1005-1017.
APA Sproat, Colin D.,&Zhan, Renbin .(2018).Altaethyrella (Brachiopoda) from the Late Ordovician of the Tarim Basin, Northwest China, and its significance.JOURNAL OF PALEONTOLOGY,92(6),1005-1017.
MLA Sproat, Colin D.,et al."Altaethyrella (Brachiopoda) from the Late Ordovician of the Tarim Basin, Northwest China, and its significance".JOURNAL OF PALEONTOLOGY 92.6(2018):1005-1017.
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