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Distribution of fouling bryozoans in the northern South China Sea

Acta Oceanologica Sinica 1998年第3期17卷 349-355页

作者： Yan Yan Yan Wenxia Dong Yu Wang Huajie Yan Tao and Liang Guanhe(Received June 2, 1997 accepted August 20, 1997) South China Institute of Oceanology Chinese Academy of Sciences Guangzhou 510301 China

This paper reports the species composition and distribution of fouling bryozoans in the northern SouthChina Sea. 34 species identified belong to 23 genera, 22 families of fouling bryozoa, of which most of 24 species on thebuoys attached to concrete sinkers. The 13 species on platforms mainly included Schizoporella errata and Membranipora savartii. Depth distribution of species, larval settlement behaviour and larvae type of fouling bryozoa are discussed.

关键词： bryozoans fouling organism coastal waters South China Sea

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The Eocene bryozoans of Bekrit-Timahdite Formation, Middle-Atlas, Morocco: Taxonomy, Paleoenvironments and Paleoclimates Implications

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Journal of Geoscience and Environment Protection 2021年第3期9卷 136-153页

作者： Mohammed El Attmani Amine Bouwafoud Salem Elouariti Hicham Si Mhamdi Abdelmajid Ben Bouziane Mustapha Mouflih Sedimentary Basins Dynamic and Geological Correlations Laboratory Department of Geology Faculty of Science Ben M’sik Hassan II University Casablanca Morocco Laboratory of Applied Geology Department of Geosciences Faculty of Sciences and Techniques Errachidia Moulay Isma&iuml l University Meknes Morocco

Located in the North-West of the African continent, the Moroccan Middle Atlas constitutes an intra-continental chain within the Atlas domain. It is known by several global geological events such as the Paleocene-Eocene crisis during the Paleogene, which corresponds to one of the hottest periods on earth with Paleocene-Eocene thermal maximum (PETM). A taxonomic study carried out on the carbonate deposits of the Bekrit-Timahdite Formation from three sections of the Bekrit syncline allowed the identification of 5 species of the Cheilostome and Cyclostome bryozoans (Cellaria rigida, Cellaria sinuosa, Aimulosia lamellosa, Heteropora and Osthimosia) in bioclastic limestones, nodular limestones, marly and sandy limestones. The interest of bryozoans as indicators of paleoenvironments and paleoclimates was assessed by examining current communities, in terms of depth evolution as richness and abundance, distribution of taxonomic categories zoarium types, and zooidal morphology. The depositional environment analysis of bryozoans showed a shallow marine carbonate platform with low sedimentation energy where is registered a relatively warm paleoclimate.

关键词： bryozoans Eocene Taxonomy Carbonate Paleoenvironment Middle-Atlas

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Mesozoic and Cenozoic microbiotas from eastern Antarctic Peninsula: adaptation to a changing palaeoenvironment

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Advances in Polar Science 2019年第3期30卷 165-185页

作者： Cecilia R.AMENáBAR Andrea CARAMéS Susana ADAMONIS Ana DOLDAN Gabriel MACEIRAS Andrea CONCHEYRO Instituto de Estudios Andinos"Don Pablo Groeber".Consejo Nacional de Investigaciones Científicas y Técnicas.Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires.Pabellón II.Ciudad Universitaria Departamento de Ciencias Geológicas Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos Aires Instituto Antártico Argentino

A compiled selected literature on some groups of microfossils of the Mesozoic and Cenozoic of the James Ross Basin,eastern Antarctic Peninsula,is presented here,in order to show how the microbiota has been modified over time,triggered by environmental *** analyzed microfossils consist of palynomorphs(mostly pollen grains,spores,and dinoflagellate cysts),foraminifers and *** cysts and pollen-spores have been recorded in Jurassic to Pleistocene sedimentary *** cysts proved to be good indicators for productivity and/or nutrient availability,surface water temperature and chemistry,the position of ancient shorelines and paleoceanographic *** and spores allowed reconstruction of floral community and thus characterization of the climate that prevailed on the ***,recovered from the Lower Cretaceous to the Pleistocene sedimentary rocks,provided information about the bathymetry,showing different marine settings(e.g.,coastal,inner neritic,outer neritic,upper bathyal)in different *** bryozoan record is restricted to the *** colonial growth-forms reflect several environmental conditions such as shallow waters with a low rate of sedimentation,hard substrate and moderate or strong current action for the analyzed *** study of the Antarctic ecosystems based on the fossil microbiota and their response to the climate and the continental configuration changes,allowed understanding of the composition and dynamics of the polar environments,which have an important role in the Earth climate.

关键词： pollen-spores dinoflagellate cysts foraminifers bryozoans palaeoenvironment Mesozoic-Cenozoic James Ross Basin Antarctic Peninsula

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奥陶纪苔藓动物的多样性及其起源(英文)

奥陶纪苔藓动物的多样性及其起源(英文)

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中国古生物学会第十次全国会员代表大会暨第25届学术年会——纪念中国古生物学会成立80周年

作者：夏凤生马俊业郝家胜中科院南京地质古生物研究所安徽师范大学生命科学院

bryozoans are important marine suspension-filter colonial animals whose origins and evolution remain *** Ordovician Period has great significance for the origination,radiation and extinction of bryozoans, and also for formation of *** oldest known bryozoans are found in the strata of Fenhsiang Formation (Late Tremadocian) of China,and nearly all recognized orders of bryozoans including Stenolaemata(Treposto-

关键词： bryozoans Stenolaemata Eurystomata diversity phylogeny radiation extinction

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