Macrothrix

Macrothrix is a genus of water fleas in the family Macrothricidae.

The genus was described in 1843 by William Baird, and has a cosmopolitan distribution.

Species
There are 54 valid species assigned to the genus Macrothrix, including:


 * Macrothrix acutirostris (Schmarda, 1854)
 * Macrothrix agsensis Dumont, Silva Briano & Subhash Babu, 2002
 * Macrothrix albuferae Arévalo, 1916
 * Macrothrix atahualpa Brehm, 1936
 * Macrothrix boergeni Studer, 1878
 * Macrothrix brandorffi Kotov & Hollwedel, 2004
 * Macrothrix brevicornis Shen Chia-jui, Tai Ai-yun & Chiang Sieh-chih, 1966
 * Macrothrix breviseta Smirnov, 1976
 * Macrothrix burstalis Smith, 1909
 * Macrothrix camjatae Harding, 1955
 * Macrothrix capensis (G.O. Sars, 1916)
 * Macrothrix carinata (Smirnov, 1976)
 * Macrothrix dadayi Behning, 1941
 * Macrothrix elegans G.O. Sars, 1901
 * Macrothrix flabelligera Smirvov, 1992
 * Macrothrix flagellata (Smirnov & Timms, 1983)
 * Macrothrix gauthieri (Smirnov, 1976)
 * Macrothrix hardingi Petkovski, 1973
 * Macrothrix hirsuticornis Norman & Brady, 1867
 * Macrothrix hystrix Gurney, 1927
 * Macrothrix indistincta Smirnov, 1992
 * Macrothrix laticornis (Jurine, 1820)
 * Macrothrix longiseta Smirnov, 1976
 * Macrothrix magna Daday, 1902
 * Macrothrix malaysiensis Idris & Fernando, 1981
 * Macrothrix marthae Elías-Gutiérrez & Smirnov, 2000
 * Macrothrix mexicanus Ciros-Pérez, Silva-Briano & Elías-Gutiérrez, 1996
 * Macrothrix montana Birge, 1904
 * Macrothrix novamexicana Herrick, 1895
 * Macrothrix odiosa Gurney, 1916
 * Macrothrix oviformis Ekman, 1900
 * Macrothrix paulensis (G.O. Sars, 1900)
 * Macrothrix pectinata (Smirnov, 1976)
 * Macrothrix pennigera Shen Chia-Jui, Sung Ta-hsiang & Chen Kou-hsiao, 1961
 * Macrothrix pholpunthini Kotov, Maiphae & Sanoamuang, 2005
 * Macrothrix pseudospinosa Smirnov, 1992
 * Macrothrix rectirostris Brehm, 1936
 * Macrothrix rosea (Jurine, 1820)
 * Macrothrix ruehei Kotov, 2007
 * Macrothrix sarsi Kotov, 2007
 * Macrothrix schauinslandi G.O. Sars, 1904
 * Macrothrix shadini Mukhamediev, 1963
 * Macrothrix sierrafriatensis Silva-Briano, Dieu & Dumont, 1999
 * Macrothrix sioli Smirnov, 1982
 * Macrothrix smirnovi Ciros-Pérez & Elías-Gutiérrez, 1997
 * Macrothrix spinosa King, 1853
 * Macrothrix superaculeata (Smirnov, 1982)
 * Macrothrix tabrizensis Dumont, Silva Briano & Subhash Babu, 2002
 * Macrothrix timmsi (Smirnov, 1976)
 * Macrothrix tobaensis Johnson, 1956
 * Macrothrix tripectinata Weisig, 1934
 * Macrothrix triserialis Brady, 1886
 * Macrothrix vietnamensis Silva-Briano, Dieu & Dumont, 1999
 * Macrothrix williamsi (Smirnov & Timms, 1983)