Clausidiidae Embleton, 1901
Hemicyclops aberdonensis (T. Scott & A. Scott, 1892)
Hemicyclops acanthophorus Humes, 1995
Hemicyclops acanthosquillae Humes, 1965
Hemicyclops adhaerens (L. W. Williams, 1907)
Hemicyclops amplicaudatus Humes, 1965
Hemicyclops apiculus Humes, 1995
Hemicyclops arenicolae Gooding, 1966
Hemicyclops australis Nicholls, 1944
Hemicyclops axiophilus Humes, 1965
Hemicyclops bacescui (Serbian, 1956)
Hemicyclops biflagellatus Humes, 1965
Hemicyclops columnaris Humes, 1984
Hemicyclops ctenidis Ho & I.H. Kim, 1990
Hemicyclops cyclindraceus (Pelseneer, 1929)
Hemicyclops cylindraceus (Pelseneer, 1929)
Hemicyclops dilatatus Shen & Bai, 1956
Hemicyclops diremptus Humes, 1965
Hemicyclops dubia (Thompson & Scott A., 1903)
Hemicyclops elongatus Wilson, 1937
Hemicyclops giardelloides Gooding, 1963
Hemicyclops gomsoensis Ho & I.H. Kim, 1991
Hemicyclops humesi Kim I.H., 2009
Hemicyclops indicus Sewell, 1949
Hemicyclops intermedius Ummerkutty, 1961
Hemicyclops japonicus Itoh & Nishida, 1993
Hemicyclops javaensis Mulyadi, 2005
Hemicyclops kombensis Humes, 1965
Hemicyclops leggi Thompson & Scott, 1903
Hemicyclops leggii (I. C. Thompson & A. Scott, 1903)
Hemicyclops livingstoni (T. Scott, 1894)
Hemicyclops magnus Kim I.H., 2009
Hemicyclops membranatus Moon & I.H. Kim, 2010
Hemicyclops minutus Mulyadi, 2005
Hemicyclops mortoni Boxshall & Humes, 1987
Hemicyclops nasutus Moon & I.H. Kim, 2010
Hemicyclops nichollsi Karanovic, 2008
Hemicyclops parilis Moon & I.H. Kim, 2010
Hemicyclops perinsignis Humes, 1973
Hemicyclops puffini (Thompson, 1888)
Hemicyclops purpureus Boeck, 1872
Hemicyclops saxatilis Ho & I.H. Kim, 1991
Hemicyclops sebastiani Kihara & Rocha, 1993
Hemicyclops spinulosus Itoh & Nishida, 1998
Hemicyclops subadhaerens Gooding, 1960
Hemicyclops tamilensis Thompson & Scott, 1903
Hemicyclops tanakai Itoh & Nishida, 2002
Hemicyclops thalassius Vervoort & RamÃrez, 1966
Hemicyclops thompsoni (Canu, 1888)
Hemicyclops thysanotus C. B. Wilson, 1935
Hemicyclops tripartitus Kim I.H., 2009
Hemicyclops ventriplanus Kim I.H., 2000
Hemicyclops vicinalis Humes, 1995
Hemicyclops visendus Humes, Cress., and Good., 1958
Hemicyclops xiamenensis Ohtsuka, Ko & Xu, 2010