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Palaeobiology of orthothecide hyoliths from the Cambrian Manto Formation of Hebei Province, North China
Sun, Haijing (孙海静)1; Malinky, John M.2; Zhu, Maoyan (朱茂炎)1,3; Huang, Diying (黄迪颖)1
2018
Source PublicationACTA PALAEONTOLOGICA POLONICA
ISSN0567-7920
Volume63Issue:1Pages:87-101
Abstract

Newly discovered specimens of the orthothecide hyoliths in Hebei Province of North China reveal new data on diversity, skeletal microstructure and palaeoecology of the order Orthothecida. Decoritheca cyrene possesses a well-defined skeletal structure consisting of rows of tubercles in the shell wall, which correspond to dimples on the internal surface of the conch. We describe a new species Cupitheca convexa sp. nov. characterised by a planar and interior convex operculum with a pair of bilobate cardinal processes, which differs from the more widespread C. holocyclata in opercular morphology and overall ornamentation of the conch, highting the significance of operculum in the classification of hyoliths. First discovery of the presumed unusual protoconch of C. convexa sp. nov. implies a possible lecithotrophic development to adapt to nutrient-fluctuant environments. Pitting structure on the operculum and shell as well as lamellar-fibrillar structure on the internal mould of C. convexa sp. nov. are observed herein.

KeywordHyolitha Orthothecida Ontogeny Larval Conch Skeletal Microstructure Cambrian China
DOI10.4202/app.00413.2017
Language英语
WOS KeywordSmall Shelly Fossils ; Marine Red Beds ; Larval Development ; South-australia ; Microstructures ; Mollusks ; America ; Lecithotrophy ; Microfossils ; Gastropods
Funding ProjectStrategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18000000] ; National Sciences Foundation of China[41602002] ; National Sciences Foundation of China[41222013] ; Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[2016KF08]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000426921400006
Funding OrganizationStrategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Sciences Foundation of China ; Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences
PublisherINST PALEOBIOLOGII PAN
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Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18860
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorSun, Haijing (孙海静); Huang, Diying (黄迪颖)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.San Diego City Coll, Dept Phys Sci, 1313 Pk Blvd, San Diego, CA 92101 USA
3.Univ Chinese Acad Sci, Coll Earth 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
Sun, Haijing ,Malinky, John M.,Zhu, Maoyan ,et al. Palaeobiology of orthothecide hyoliths from the Cambrian Manto Formation of Hebei Province, North China[J]. ACTA PALAEONTOLOGICA POLONICA,2018,63(1):87-101.
APA Sun, Haijing ,Malinky, John M.,Zhu, Maoyan ,&Huang, Diying .(2018).Palaeobiology of orthothecide hyoliths from the Cambrian Manto Formation of Hebei Province, North China.ACTA PALAEONTOLOGICA POLONICA,63(1),87-101.
MLA Sun, Haijing ,et al."Palaeobiology of orthothecide hyoliths from the Cambrian Manto Formation of Hebei Province, North China".ACTA PALAEONTOLOGICA POLONICA 63.1(2018):87-101.
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