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Unusual compound zooecia in the trepostome bryozoan Eostenopora from the Devonian of Guizhou, China.
Ma, Jun-Ye (马俊业); Taylor, Paul D.; Buttler, Caroline J.
2019-09-01
发表期刊Palaeoworld
ISSN1871-174X
卷号28期号:3页码:289-294
摘要

Enlarged, 'compound zooecia' are described for the first time in a trepostome bryozoan. Several of these zooecia are visible in tangential sections of Eostenopora guizhouensis (Hu) from the Devonian (Eifelian) Houershan Formation of Houershan, Dushan, southern Guizhou, China. They are broad and occupy the space of two or occasionally three or four normal autozooecia. Some have bridging walls extending partway across the enlarged zooecial chamber. Without serial sectioning, the origin of compound zooecia in E. guizhouensis is debatable. However, the existence of irregular gaps in some zooecial walls leads to the hypothesis that compound zooecia originated from the loss by resorption of the skeletal walls between two normal autozooecia. The bridging walls are interpreted as a response by the bryozoan to restore the integrity of the constituent zooecia. By analogy with the 'Doppelganger' zooids of some modern cheilostome bryozoans, compound zooecia of E. guizhouensis may have housed the lophophores of more than one zooid. (C) 2019 Elsevier Ireland Ltd Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier B.V. All rights reserved.

语种英语
WOS研究方向Anatomy & Morphology ; Zoology
WOS类目ANATOMY MORPHOLOGY ; ZOOLOGY
WOS记录号WOS:ZOOR15512087319
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/29106
专题中国科学院南京地质古生物研究所
作者单位Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing, Jiangsu, 210008, China
推荐引用方式
GB/T 7714
Ma, Jun-Ye ,Taylor, Paul D.,Buttler, Caroline J.. Unusual compound zooecia in the trepostome bryozoan Eostenopora from the Devonian of Guizhou, China.[J]. Palaeoworld,2019,28(3):289-294.
APA Ma, Jun-Ye ,Taylor, Paul D.,&Buttler, Caroline J..(2019).Unusual compound zooecia in the trepostome bryozoan Eostenopora from the Devonian of Guizhou, China..Palaeoworld,28(3),289-294.
MLA Ma, Jun-Ye ,et al."Unusual compound zooecia in the trepostome bryozoan Eostenopora from the Devonian of Guizhou, China.".Palaeoworld 28.3(2019):289-294.
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