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Morphological variability and paleoecology of the Late Ordovician Parastrophina from eastern Canada and the Tarim Basin, Northwest China
Sproat, Colin D.1; Jin, Jisuo1; Zhan, Ren-Bin (詹仁斌)2; Rudkin, David M.3
2015-03-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume24Issue:1-2Pages:160-175
Abstract

Bivariate and multivariate analyses of well-preserved specimens of four species of the Ordovician-Silurian brachiopod genus Parastrophina from eastern North America, the Tarim Basin of Northwest China, and Kazakhstan revealed that the subelliptical shells of Parastrophina hemiplicata from southern Ontario are less globose than the subpentagonal shells of Parastrophina tarimensis n. sp. from the Tarim Basin. Parastrophina minor from Baffin Island has a subelliptical outline, similar to Parastrophina hemiplicata, but is more globose than the specimens from southern Ontario, although this increased globosity was due partly to increased convexity of ventral valve. Three specimens of Parastrophina iliana from Kazakhstan show features between the extreme forms of Parastrophina hemiplicata and Parastrophina tarimensis. These differences may be related to different paleoenvironmental settings - an enlarged dorsal valve in Parastrophina tarimensis would enable the development of larger lophophores at maturity for feeding and gas exchange in the generally low-energy, shallow-water carbonate mound settings in the paleoequatorially located Tarim Basin and Kazakhstan terranes, whereas a wider outline would increase stability on the high-energy, storm-influenced, flat-bottom substrates in the epeiric seas of southern Ontario, which was located in the subtropics during the Late Ordovician. (C) 2014 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

KeywordParastrophina Pentamerida Brachiopoda Late Ordovician Canada Tarim
DOI10.1016/j.palwor.2014.11.008
Language英语
WOS KeywordSouthern Ontario ; Paleogeographic Significance ; Trenton Group ; Brachiopods ; Laurentia ; Stratigraphy ; Evolution ; Lineage ; Fauna ; Shelf
Funding ProjectNatural Sciences and Engineering Research Council of Canada ; Peer Review Research Grant from the Royal Ontario Museum Governors ; National Natural Science Foundation of China[41221001] ; National Natural Science Foundation of China[41290260] ; IGCP Project
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000356433200016
Funding OrganizationNatural Sciences and Engineering Research Council of Canada ; Peer Review Research Grant from the Royal Ontario Museum Governors ; National Natural Science Foundation of China ; IGCP Project
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/11804
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorSproat, Colin D.
Affiliation1.Univ Western Ontario, Dept Earth Sci, London, ON N6A 5B7, Canada
2.Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Royal Ontario Museum, Dept Nat Hist Palaeobiol, Toronto, ON M55 2C6, Canada
Recommended Citation
GB/T 7714
Sproat, Colin D.,Jin, Jisuo,Zhan, Ren-Bin ,et al. Morphological variability and paleoecology of the Late Ordovician Parastrophina from eastern Canada and the Tarim Basin, Northwest China[J]. PALAEOWORLD,2015,24(1-2):160-175.
APA Sproat, Colin D.,Jin, Jisuo,Zhan, Ren-Bin ,&Rudkin, David M..(2015).Morphological variability and paleoecology of the Late Ordovician Parastrophina from eastern Canada and the Tarim Basin, Northwest China.PALAEOWORLD,24(1-2),160-175.
MLA Sproat, Colin D.,et al."Morphological variability and paleoecology of the Late Ordovician Parastrophina from eastern Canada and the Tarim Basin, Northwest China".PALAEOWORLD 24.1-2(2015):160-175.
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