...物学特性一、分类与分布淡水小龙虾中文学名为克氏原螯虾，在分类学上隶属节肢动物门（Arthropoda）、甲壳纲（Crustacea）、十足目（Detapoda）、蜊蛄科（Cambaridae）、原螯虾属（Procambarus）。
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Insecta and Gastropoda are absolutely dominant ecological groups,which are 37 species and 16 species respectively. Five species belong to Oligochaeta,3 species to Crustacea,2 species to Hirudinea,only 1 species belongs to Lamellibranchia.
昆虫纲和腹足纲为绝对优势类群,分别为37种和16种;寡毛纲5种,甲壳纲动物3种,蛭纲2种,瓣鳃纲只1种。
参考来源 - 扎龙湿地春季大型底栖动物群落结构与水质生物评价Cladocera, generally speaking named daphnia, was one kind of the zooplankton in fresh water and it subjected to Crustacea, Arthropoda. Ways of reproduction in Cladocera were quite interesting.
枝角类又称水蚤,是水生浮游动物的重要组成之一,隶属于节肢动物门、甲壳纲。
参考来源 - 隆线溞[Daphnia（Ctenodaphnia）carinata]生殖和发育的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
十几年后，这种甲壳纲动物将长到拖拉机轮胎大小。
After a dozen years, the crustacean will grow to the size of a tractor tire.
图片中的蓝色部分是一个等足类动物---一种小型的甲壳纲动物。
巨型等足目动物与虾和蟹有关，是以海底为家的深海甲壳纲动物。
Related to shrimp and crabs, the giant isopod is a deep-sea crustacean that makes its home on the ocean floor.
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