ECHINODERMS

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Diversity, Abundance and Distribution Patterns of Epibenthic Echinoderms in Dungonab Bay, Red Sea, Sudan
《Open Journal of Ecology》2024年第4期366-380,共15页Abdelmoneim Karamalla Gaiballa 
The abundance, distribution and diversity of epibenthic echinoderm were investigated at Dungonab Bay in the Red Sea coastal water of the Sudan. Four permanent line transects were chosen. Eight (30 × 2) square metre b...
关键词：SUDAN Red Sea ECHINODERM DIVERSITY Abundance and Distribution 
The unexpected occurrence of enigmatic'percevalicrinids'(Echinodermata,Crinoidea)in the Lower Jurassic strata of North Africa—Implications for their stratigraphic and palaeogeographic distribution and discussion on their belonging to the subfamily Balanocrininae
《Journal of Palaeogeography》2023年第3期434-447,共14页Mariusz A.Salamon Madani Benyoucef Karolina Paszcza Faycal Mekki Imad Bouchemla Bartosz J.Plachno 
supported by the National Science Centre,Poland(www.ncn.gov.pl)-Grant No.2020/39/B/ST10/00006.
The marl and limestone alternations of the Lower Jurassic Ain Ouarka and Ain Rhezala formations(Pliensbachian-Toarcian)in the western Saharan Atlas,Northwest Algeria,yield a diverse micro-and mac-rofauna,including mod...
关键词：ECHINODERMS CRINOIDS Isocrinids Percevalicrinids Percevalicrinus Lower Jurassic Algeria Maghrebian Tethys 
Sheltered preservation of cyrtocrinid crinoids from the Lower Cretaceous of Madagascar and their palaeogeographic significance
《Journal of Palaeogeography》2023年第1期69-81,共13页Mariusz A.Salamon Sreepat Jain Marcin Krajewski Piotr Duda Bruno Ferre Mohamed Benzaggagh Bartosz J.Plachno 
supported by the National Science Centre;Poland (www.ncn.gov.pl)-Grant No.2020/39/B/ST10/00006。
Sheltered preservation,in which organisms are trapped within shells of cephalopods,is a wellknown phenomenon.This preservational style constitutes an important source of paleontological data.Here,we report the first c...
关键词：ECHINODERMS CRINOIDS Cyrtocrinids CRETACEOUS Madagascar AFRICA 
Diversity assessment of echinoderms from Mudasalodai and Pazhayar in the southeast coast of India
《Journal of Coastal Life Medicine》2016年第2期108-113,共6页Maheswaran Murugan Narendran Rajendran Sundaravarman Kasirajan Pravinkumar Moorthy Gunalan Balakrishnan 
Supported by the Ministry of Human Resources and Development Govt.of India for the financial assistance,Grant No:G4(1)/1630/2013.
Objective:To study the echinoderms diversity in Mudasalodai and Pazhayar landing centers during November 2012 to December 2014.Methods:All the collected echinoderm samples were stored at 4℃until further use.Results:A...
关键词：ECHINODERMS DIVERSITY Percentage composition Seasonal variation 
Symmetry of echinoderms: From initial bilaterally-asymmetric metamerism to pentaradiality
《Natural Science》2014年第4期171-183,共13页Sergey V. Rozhnov 
Echinoderm radial symmetry has first appeared in the ambulacral system, when the ambulacral channel assumed the shape of a closed ring or a horseshoe with approximated ends, and then spread onto other organ systems. I...
关键词：ECHINODERMATA SYMMETRY Asymmetry METAMERISM Pentaradiality Body Plan HOX Genes COLINEARITY 
Eocrinoid echinoderms from the Lower Cambrian Guanshan Fauna in Wuding,Yunnan,China被引量：13
《Chinese Science Bulletin》2007年第5期717-719,共3页HU ShiXue LUO HuiLin HOU ShuGuang Bernd-Dietrich ERDTMANN 
Supported by the Major Basic Research Project of Ministry of Science and Technol-ogy of China (Grant No. 2002CCA03300);the State Key Laboratory of Palaeo-biology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) (Grant No. 053110)
This is a brief report of a new occurrence of eocrinoids from the Early Cambrian Wulongqing Formation in Yunnan, China. The eocrinoids from the Guanshan fauna are among the earliest known eocrinoids. Different from ma...
关键词：棘皮类动物 下寒武统 关山动物群 化石 云南武定 
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