CYCLOPINAE Kiefer, 1927


MICROCYCLOPS Claus, 1893


The genus Microcyclops presently includes 61 named species and subspecies, living in fresh waters, marshes, swamps, only a few occurring in ground waters.

The taxonomy of the genus is rather confused and there are many species inadequately described (Mirabdullayev & Urazova, 2006).


  • Microcyclops afghanicus Lindberg, 1948 [Afghanistan; fresh waters]
  • Microcyclops alius Kiefer, 1935 [central and south America; lakes, marshes, lotic water bodies]
  • Microcyclops anceps anceps (Richard, 1897) [central and south America; fresh waters, marshes]
  • Microcyclops anceps pauxensis Herbst, 1962 [Brazil, Venezuela; fresh waters, lakes] [PDF]
  • Microcyclops anceps var. minor Dussart, 1984 [Venezuela; lakes] [PDF]
  • Microcyclops arenicola Kiefer, 1960 [Africa; fresh, interstitial waters]
  • Microcyclops atongae Fryer, 1957 [Africa; fresh waters]
  • Microcyclops ceibaensis (Marsh, 1920) [central and south America; fresh waters,lakes, marshes] [PDF]
  • Microcyclops crassipes (G.O. Sars, 1927) [south Africa; fresh waters]
  • Microcyclops cunningtoni (G.O. Sars, 1909) [Tanganika; lakes] [PDF]
  • Microcyclops davidi davidi (Chappuis, 1922) [Africa; fresh waters]
  • Microcyclops davidi var. subtropicus (Lindberg, 1937) [India, Yemen; fresh waters]
  • Microcyclops diminutus Lindberg, 1937 [India; fresh waters]
  • Microcyclops diversus Kiefer, 1935 [central and south America; fresh waters] [PDF]
  • Microcyclops dubitabilis Kiefer, 1934 [central and south America; fresh waters,cenotes] [PDF]
  • Microcyclops echinatus Fiers, Ghenne & Suarez-Morales, 2000 [Mexico, Yucatan; lagoons]
  • Microcyclops elegans Dussart & Fernando, 1985 [Sri Lanka; fresh waters] [PDF] ***
  • Microcyclops elgonensis Kiefer, 1932 [Kenya, Congo; fresh watres] *
  • Microcyclops elongatus (Lowndes, 1934) [Brazil, Paraguay; fresh waters]
  • Microcyclops exulis Gauthier, 1951 [Senegal; fresh waters] *
  • Microcyclops finitimus Dussart, 1984 [south America; fresh waters] [PDF] [PDF2] [PDF3]
  • Microcyclops fuerborni Kiefer, 1933 [Java; fresh waters]
  • Microcyclops furcatus (Daday, 1905) [Paraguay; fresh waters]
  • Microcyclops indolusitanus Lindberg, 1938 [India; fresh waters]
  • Microcyclops inopinatus (G.O. Sars, 1927) [south Africa; fresh waters]
  • Microcyclops jenkinae Lowndes, 1933 [Africa; lakes]
  • Microcyclops karvei Kiefer & Moorthy, 1935 [Asia; fresh waters] [PDF]
  • Microcyclops longiramus Shen & Sung, 1965 [China; fresh waters]

  • Microcyclops longispinosus Shen & Tai, 1964 [China; fresh waters]
  • Microcyclops mediasetosus Dussart & Frutos, 1985 [Argentina; brackish waters] [PDF] [PDF2]
  • Microcyclops medius Dussart & Frutos, 1986[Argentina; rivers] (left) [PDF]
  • Microcyclops microsetus Yeatman, 1983 [Fiji; crab holes]
  • Microcyclops minimus Kiefer, 1930 [Sumatra; fresh waters]
  • Microcyclops moghulensis Lindberg, 1939 [India, Sri Lanka; fresh waters]
  • Microcyclops obscuratus Fryer, 1956 [Africa; fresh, ground waters]
  • Microcyclops pachycomus (G.O. Sars, 1909) [Africa; lakes, rivers]
  • Microcyclops pachyspina Lindberg, 1937 [Asia; fresh waters] *

  • Microcyclops paraplesius (Kiefer, 1929) [Africa; fresh waters]
  • Microcyclops pseudo-anceps Green, 1962 [Africa; fresh waters] *
  • Microcyclops pseudo-opercularis Lindberg, 1957 [Africa; fresh waters]
  • Microcyclops pumilis Pennak & Ward, 1985 [USA; hyporheic]
  • Microcyclops rechtyae Lindberg, 1960 [Aghanistan; fresh waters] [PDF]
  • Microcyclops richardi Lindberg, 1942 [Iran; fresh waters]
  • Microcyclops robustus Shen & Sung, 1965 [China; fresh waters]
  • Microcyclops rubelloides rubelloidesKiefer, 1952 [Zaire; lakes]
  • Microcyclops rubelloides opercularis Kiefer, 1952 [Zaire; lakes]
  • Microcyclops rubelloides f. major Dussart, 1977 [Africa; fresh waters]
  • Microcyclops rubellus (Lilljeborg, 1901) [cosmopolitan, except Australia?; fresh waters, cenotes]
  • Microcyclops sanfilippoi Brian, 1951 [Italy; cave waters] *
  • Microcyclops semilunaris Lindberg, 1952 [Asia; fresh waters ]
  • Microcyclops sumatranus Kiefer, 1930 [Sumatra; fresh waters]
  • Microcyclops sydneyensis (Schmeil, 1896) [Australia; fresh waters]
  • Microcyclops tricolor Lindberg, 1937 [India; fresh waters]
  • Microcyclops uenoi Kiefer, 1937 [China, Formosa; fresh waters]
  • Microcyclops vaillanti Lindberg, 1957 [Africa; fresh waters]
  • Microcyclops variabilis Dussart & Sarnita, 1986 [Indonesie; swamps] [PDF] **
  • Microcyclops varicans varicans (G.O. Sars, 1863) [cosmopolitan; fresh and brackish water bodies, springs]
  • Microcyclops varicans bitaenia Fryer, 1957 [Africa; lakes]
  • Microcyclops varicans f. dojranensis Petkovski, 1954 [Yugoslavie; fresh waters]
  • Microcyclops varicans f. minor Kiefer, 1952 [Zaire; lakes]
  • Microcyclops varicans pachyspina Lindberg, 1937 [India; fresh waters]
  • Microcyclops varicans subaequalis (Kiefer, 1928) [Africa; south America, Asia; fresh waters, lakes]


    * questionable species

    ** for this species Dussart & Sarnita (1986) [PDF] suggested the creation of a a new subgenus, Mediocyclops.

    *** colud be synonym of Microcyclops rechtyae (Mirabdullayev, 1998)



    | MORPHOLOGICAL CHARACTERS FOR TAXONOMY OF THE GENUS MICROCYCLOPS | [PDF]



    MIXOCYCLOPS Kiefer, 1944


  • Mixocyclops crozetensis Kiefer, 1944 [Crozet Island; fresh waters]
  • Mixocyclops minutus Chappuis, 1952 [Tasmania; fresh waters]



    MUSCOCYCLOPS Kiefer, 1937


  • Muscocyclops bidentatus Reid, 1987 [Brazil; wet campos] [PDF]
  • Muscocyclops operculatus (Chappuis, 1917) [Surinam, Brazil; fresh waters, moss] [PDF]
  • Muscocyclops therasiae Reid, 1987 [Brazil; marshes, wet campos] (left) [PDF]


  • NEUTROCYCLOPS Kiefer, 1936


  • Neutrocyclops brevifurca (Lowndes, 1934) [Yucatan, south America; fresh waters, lakes, ponds] [PDF] [PDF2]




    ORBUSCYCLOPS Karanovic, 2006

    Very small Cyclopinae genus, with slender, harpacticoida habitus, and greatest body width at midlength of cephalotorax.



  • Orbuscyclops westaustraliensis Karanovic, 2006 [Australia; river bore]




  • | PAGE UPDATED NOVEMBER 22. 2008 |


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