New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances

Abstract The biostratigraphically important Permian radiolarian genera Pseudoalbaillella sensu stricto and Follicucullus (Follicucullidae, Polycystinea) are discriminated by morphological gaps in their wings and segmentation. Previous statistical analyses demonstrated that Longtanella fills morpholo...

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Autores principales:	Yifan Xiao, Noritoshi Suzuki, Tsuyoshi Ito, Weihong He
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/34b05ce63acd449baa7ac2ff88329634
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spelling	oai:doaj.org-article:34b05ce63acd449baa7ac2ff883296342021-12-02T11:45:01ZNew Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances10.1038/s41598-021-86262-72045-2322https://doaj.org/article/34b05ce63acd449baa7ac2ff883296342021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86262-7https://doaj.org/toc/2045-2322Abstract The biostratigraphically important Permian radiolarian genera Pseudoalbaillella sensu stricto and Follicucullus (Follicucullidae, Polycystinea) are discriminated by morphological gaps in their wings and segmentation. Previous statistical analyses demonstrated that Longtanella fills morphological gaps between these two genera. Longtanella has long been regarded as a junior synonym of Parafollicucullus, and only a few species have been described. Herein several true Longtanella species are recognized from South China, and eight new species and five indeterminate species are described and illustrated to prove the validity of the genus Longtanella. In addition, a new genus, Parafollicucullinoides gen. nov., is described. Their palaeogeographic distributions and living environments are explored by applying correspondence analysis (CA), with occurrence datasets of selected fusulinacean genera from the Japanese Islands, China and Sundaland. CA results indicate that Longtanella was present to a limited extent in warmer conditions in the fusulinacean Province B and C during Kungurian–Roadian time, and possibly lived above the thermocline and below the deepest limit of fusulinaceans. The Pseudoalbaillella and the Follicucullus group preferred open ocean conditions, living below the thermocline and distributed not only in the ‘Equatorial Warm Water Province’, but also the northern peri-Gondwana Cool Water Province and the southern North Cool Water Province.Yifan XiaoNoritoshi SuzukiTsuyoshi ItoWeihong HeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yifan Xiao Noritoshi Suzuki Tsuyoshi Ito Weihong He New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
description	Abstract The biostratigraphically important Permian radiolarian genera Pseudoalbaillella sensu stricto and Follicucullus (Follicucullidae, Polycystinea) are discriminated by morphological gaps in their wings and segmentation. Previous statistical analyses demonstrated that Longtanella fills morphological gaps between these two genera. Longtanella has long been regarded as a junior synonym of Parafollicucullus, and only a few species have been described. Herein several true Longtanella species are recognized from South China, and eight new species and five indeterminate species are described and illustrated to prove the validity of the genus Longtanella. In addition, a new genus, Parafollicucullinoides gen. nov., is described. Their palaeogeographic distributions and living environments are explored by applying correspondence analysis (CA), with occurrence datasets of selected fusulinacean genera from the Japanese Islands, China and Sundaland. CA results indicate that Longtanella was present to a limited extent in warmer conditions in the fusulinacean Province B and C during Kungurian–Roadian time, and possibly lived above the thermocline and below the deepest limit of fusulinaceans. The Pseudoalbaillella and the Follicucullus group preferred open ocean conditions, living below the thermocline and distributed not only in the ‘Equatorial Warm Water Province’, but also the northern peri-Gondwana Cool Water Province and the southern North Cool Water Province.
format	article
author	Yifan Xiao Noritoshi Suzuki Tsuyoshi Ito Weihong He
author_facet	Yifan Xiao Noritoshi Suzuki Tsuyoshi Ito Weihong He
author_sort	Yifan Xiao
title	New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
title_short	New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
title_full	New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
title_fullStr	New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
title_full_unstemmed	New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances
title_sort	new permian radiolarians from east asia and the quantitative reconstruction of their evolutionary and ecological significances
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/34b05ce63acd449baa7ac2ff88329634
work_keys_str_mv	AT yifanxiao newpermianradiolariansfromeastasiaandthequantitativereconstructionoftheirevolutionaryandecologicalsignificances AT noritoshisuzuki newpermianradiolariansfromeastasiaandthequantitativereconstructionoftheirevolutionaryandecologicalsignificances AT tsuyoshiito newpermianradiolariansfromeastasiaandthequantitativereconstructionoftheirevolutionaryandecologicalsignificances AT weihonghe newpermianradiolariansfromeastasiaandthequantitativereconstructionoftheirevolutionaryandecologicalsignificances
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New Permian radiolarians from east Asia and the quantitative reconstruction of their evolutionary and ecological significances

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