【真剑水蚤属】
真剑水蚤属（学名：Eucyclops）为剑水蚤科的一个属。
==下属物种==
本属包括以下物种：
* Eucyclops acanthoides (Douwe, 1914)
* Eucyclops agilis (Koch)
* Eucyclops agiloides (Sars, 1909)
* Eucyclops albuferensis Alekseev, 2008
* Eucyclops alekseevi Mercado-Salas & Suárez-Morales, 2016
* Eucyclops alticola Kiefer, 1957
* Eucyclops angeli Gutiérrez-Aguirre & Cervantes-Martínez, 2013
* Eucyclops angustus (Sars G.O., 1909)
* Eucyclops arcanus Alekseev, 1990
* Eucyclops ariguanabensis Brehm, 1949
* Eucyclops australiensis Morton, 1990
* Eucyclops azorensis Defaye & Dussart, 1991
* Eucyclops bathanalicola Boxshall & Strong, 2006
* Eucyclops baylyi Morton, 1990
* Eucyclops birmanus
* Eucyclops biwensis Ishida, 1998
* Eucyclops bondi Kiefer, 1934
* Eucyclops borealis Ishida, 2001
* Eucyclops brevifurcatus (Grandori, 1925)
* Eucyclops breviramatus Löffler, 1963
* Eucyclops bryophilus Lindberg, 1950
* Eucyclops caparti Lindberg, 1951
* Eucyclops chihuahuensis Suárez-Morales & Walsh, 2009
* Eucyclops chivahensis Lindberg, 1960
* Eucyclops ciliatus (Sars G.O., 1909)
* Eucyclops cognatus Kiefer, 1929
* Eucyclops congolensis Lindberg, 1951
* Eucyclops conrowae Reid, 1992
* Eucyclops crassispinosus Kiefer, 1932
* Eucyclops cuatrocienegas Suárez-Morales & Walsh, 2009
* Eucyclops defaye Mercado-Salas & Suárez-Morales, 2016
* Eucyclops defayeae Mercado-Salas & Suárez-Morales, 2016
* Eucyclops defectus Lindberg, 1937
* Eucyclops delachauxi (Kiefer, 1925)
* Eucyclops delongi Alekseev, Abramova & Chaban, 2019
* Eucyclops demacedoi Lindberg, 1957
* Eucyclops dubius (Sars G.O., 1909)
* Eucyclops dumonti Alekseev, 2000
* Eucyclops echinatus (Kiefer, 1926)
* Eucyclops edytae Tang & Knott, 2009
* Eucyclops elburziensis Lindberg, 1955
* Eucyclops elegans (Herrick, 1884)
* Eucyclops ensifer Kiefer, 1936
* Eucyclops estherae Mercado-Salas & Suárez-Morales, 2016
* 棘刺真剑水蚤 Eucyclops euacanthus (SarsGO, 1918)
* Eucyclops farsicus Lindberg, 1941
* Eucyclops festivus Lindberg, 1955
* Eucyclops fragilis (Kiefer, 1926)
* Eucyclops glaber Kiefer, 1935
* Eucyclops graeteri (Chappuis, 1927)
* Eucyclops hadjebensis (Kiefer, 1926)
* Eucyclops ibleicus Pesce & Galassi, 1987
* Eucyclops inarmatus Kiefer, 1932
* 印度真剑水蚤 Eucyclops indicus Kiefer, 1927
* Eucyclops ishidai Mercado-Salas & Suárez-Morales, 2016
* Eucyclops laevimargo
* Eucyclops lanceolatus Kiefer, 1935
* Eucyclops leptacanthus Kiefer, 1956
* Eucyclops leschermoutouae Alekseev & Defaye, 2004
* Eucyclops lilljeborgi (Sars G.O., 1918)
* Eucyclops longispinosus Pesce & Galassi, 1987
* 大尾真剑水蚤 Eucyclops macruroides (Lilljeborg, 1901)
** 锯齿真剑水蚤 Eucyclops macruroides denticulatus (Graeter, 1903)
* 长尾真剑水蚤 Eucyclops macrurus (G.O.Sars, 1863)
* 马达加斯加真剑水蚤 Eucyclops madagascariensis (Kiefer, 1926)
* 小齿真剑水蚤Eucyclops microdenticulatus Lindberg, 1939
* Eucyclops miracleae Alekseev, 2010
* Eucyclops mittmanni Mercado-Salas & Suárez-Morales, 2016
* 多色真剑水蚤 Eucyclops multicolor Lindberg, 1935
* Eucyclops nagasakai Uéno, 1934
* Eucyclops neocaledoniensis Dussart, 1984
* Eucyclops neomacruroides Dussart & Fernando, 1990
* 新热带真剑水蚤 Eucyclops neotropicus Kiefer, 1936
* 纽曼真剑水蚤 Eucyclops neumani
* Eucyclops nichollsi Brehm, 1950
* Eucyclops nigroviridis Harada, 1931
* Eucyclops nudus Kiefer, 1935
* Eucyclops ohtakai Ishida, 2000
* Eucyclops orthostylis Lindberg, 1952
* 太平洋真剑水蚤 Eucyclops pacificus Ishida, 2000
* Eucyclops parvicornus Harding, 1942
* Eucyclops paucidenticulatus Lindberg, 1951
* Eucyclops permixtus Kiefer, 1929
* Eucyclops persistens Monchenko, 1978
* Eucyclops phaleratus
* Eucyclops porrectus Kiefer, 1932
* Eucyclops (Tropocyclops) prasinus Fischer, 1860
* Eucyclops prionophorus Kiefer, 1931
* Eucyclops procerus Dussart, 1981
* Eucyclops productus Kiefer, 1936
* Eucyclops pseudoensifer Dussart, 1984
* Eucyclops puteincola Kiefer, 1982
* Eucyclops rarispinus (Sars G.O., 1909)
* Eucyclops romaniensis Alekseev, 2010
* Eucyclops roseus Ishida, 1997
* Eucyclops ruttneri
* 半齿真剑水蚤Eucyclops semidenticulatus Lindberg, 1940
* Eucyclops semiserratus (Sars G.O., 1909)
* Eucyclops serratulus (Fischer, 1851)
* 锯缘真剑水蚤 Eucyclops serrulatus (Fischer, 1851)
* Eucyclops silvestrii (Brian, 1927)
* Eucyclops siolii Herbst, 1962
* Eucyclops solitarius Herbst, 1959
* Eucyclops spatharum Harding, 1942
* Eucyclops spatulatus Morton, 1990
* 如愿真剑水蚤 Eucyclops speratus (Lilljeborg, 1901)
* Eucyclops stuhlmanni
* Eucyclops subciliatus Dussart, 1984
* Eucyclops sublaevis (Sars G.O., 1927)
* Eucyclops subterraneus (Graeter, 1907)
* 台湾真剑水蚤 Eucyclops taiwanensis Sukhikh & Alekseev, 2015
* Eucyclops (Stygocyclops) teras (Plesa, 1971)
* Eucyclops thienemanni Kiefer, 1930
* Eucyclops titicacae Kiefer, 1957
* Eucyclops torresphilipi Suárez-Morales, 2004
* Eucyclops troposperatus Alekseev & Yusoff
* Eucyclops tsushimensis Ishida, 2001
* Eucyclops turcomanus Lindberg, 1959
* Eucyclops tziscao Mercado-Salas, 2013
* Eucyclops vandouwei Brehm, 1909
* 绿真剑水蚤Eucyclops viridis (Henry, 1919)
* Eucyclops wixarica Mercado-Salas & Suárez-Morales, 2016
==参考文献==