Polyconchoecia commixtus gen. et sp. nov. (Ostracoda： Myodocopa： Halocyprididae) from the South China Sea

DU Feiyan; XIANG Peng; CHEN Ruixiang; WANG Lianggen; WANG Yu; WANG Chunguang; LIN Mao

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Polyconchoecia commixtus gen. et sp. nov. (Ostracoda： Myodocopa： Halocyprididae) from the South China Sea

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Planktonic ostracods are small crustaceans abundant in marine ecosystem worldwide as appreciable part of marine zooplankton.Family Halocyprididae is a large group of halocyprid ostracods,and the tribe Conchoeciini has contained 21 genera previously.We described a further genus with a species Polyconchoecia commixtus gen.et sp.nov.from the middle of South China Sea in this study.The new species can be distinguished from related genera and species in having a unique combination of these characteristics:a lateral gland placed over right asymmetric gland and open near posterior margin;dense edge glands placed along ventral margin of carapace in line;shape of frontal organ;e-seta of first antenna is bare;endopod of second antenna has one small oval hump with central concave on mid-ventral margin,instead of processus mamillaris,exopod 1 has a small disto-dorsal spine,exopod 1 and 2 are fused,exopod 3 and 4 are bare;endopod 1 of mandible has one long ventral seta,endopod 2 has one ventral seta;maxillary endopod 1 has two basal setae;endopod 1 of fifth limb has only one ventral seta;endopod 1 of sixth limb and endopod 2 have no ventral seta.The definite distinctions in locations of major glands are the key characteristics of the new genus.

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《海洋学报：英文版》 |2018年第10期|70-78|共9页
作者
DU Feiyan; XIANG Peng; CHEN Ruixiang; WANG Lianggen; WANG Yu; WANG Chunguang; LIN Mao;
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作者单位

South China Sea Fisheries Research Institute;

Chinese Academy of Fishery Sciences;

Guangzhou 510300;

China;

Guangdong Province Key Laboratory of Fishery Ecology and Environment;

Guangzhou 510300;

China;

Laboratory of Marine Biology and Ecology;

Third Institute of Oceanography;

State Oceanic Administration;

Xiamen 361005;

China;

Collaborative Innovation Center of Deep Sea Biology;

Hangzhou 310012;

China;

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原文格式 PDF
正文语种 chi
中图分类海洋沉积;
关键词
nov; 华南海; 情报; sp; 浮游动物; 生态系统; 世界范围; 甲壳纲;

Polyconchoecia commixtus gen. et sp. nov. (Ostracoda： Myodocopa： Halocyprididae) from the South China Sea

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