Elasmopus is een geslacht van vlokreeften uit de familie van de Maeridae. De wetenschappelijke naam van het geslacht is voor het eerst geldig gepubliceerd door Costa in 1853.

Soorten 
 Elasmopus aduncus Myers, 1995
 Elasmopus alalo Myers, 1986
 Elasmopus alkhiranensis Myers & Montazi, 2015
 Elasmopus antennatus (Stout, 1913)
 Elasmopus arafura Hughes & Lowry, 2011
 Elasmopus arrawarra Hughes & Lowry, 2006
 Elasmopus atolgidus J.L. Barnard, 1965
 Elasmopus atollicus Myers, 2014
 Elasmopus balkomanus Thomas & J.L. Barnard, 1988
 Elasmopus bampo J.L. Barnard, 1979
 Elasmopus barbatus Schellenberg, 1925
 Elasmopus bastidai García-Madrigal, 2010
 Elasmopus bollonsi Chilton, 1915
 Elasmopus brasiliensis (Dana, 1855)
 Elasmopus buchneri Spandl, 1924
 Elasmopus calliactis Edmondson, 1951
 Elasmopus canarius Krapp-Schickel & Ruffo, 1990
 Elasmopus caprai Maccagno, 1936
 Elasmopus chevreuxi Cecchini, 1928
 Elasmopus coxacallus Hughes, 2015
 Elasmopus crenulatus Berents, 1983
 Elasmopus delaplata Stebbing, 1888
 Elasmopus dentiferus Schellenberg, 1938
 Elasmopus dentipalmus Walker, 1916
 Elasmopus diplonyx Schellenberg, 1938
 Elasmopus dubius Walker, 1904
 Elasmopus ecuadorensis Schellenberg, 1936
 Elasmopus elieri Ortiz, Lalana & Varela, 2004
 Elasmopus erythraeus (Kossmann, 1880)
 Elasmopus excavatus Schellenberg, 1938
 Elasmopus fusimanus Oliveira, 1951
 Elasmopus gracilis Schellenberg, 1938
 Elasmopus hawaiensis Schellenberg, 1938
 Elasmopus holgurus J.L. Barnard, 1962
 Elasmopus hooheno J.L. Barnard, 1970
 Elasmopus incarocai Alves, Johnsson & Senna, 2016
 Elasmopus incomptus Hughes, 2015
 Elasmopus integer Myers, 1989
 Elasmopus japonicus Stephensen, 1932
 Elasmopus karamani Souza-Filho & Senna, 2009
 Elasmopus karlae García-Madrigal, 2010
 Elasmopus koreanus Kim & Kim, 1991
 Elasmopus laminischia Myers, 2016
 Elasmopus lapu Myers, 1985
 Elasmopus laufolii Myers, 1986
 Elasmopus lecroyae García-Madrigal, 2010
 Elasmopus lejeunei Souza-Filho & Senna, 2009
 Elasmopus lemaitrei Ortiz & Lalana, 1994
 Elasmopus levis (S. I. Smith, 1873)
 Elasmopus longipropodus Senna & Souza-Filho, 2011
 Elasmopus magnispinatus Kunkel, 1910
 Elasmopus marcelae García-Madrigal, 2010
 Elasmopus marplatensis Alonso de Pina, 1997
 Elasmopus mayo J.L. Barnard, 1979
 Elasmopus menurte J.L. Barnard, 1974
 Elasmopus minimus Chevreux, 1908
 Elasmopus molokai J.L. Barnard, 1970
 Elasmopus mutatus J.L. Barnard, 1962
 Elasmopus nanshaensis Ren, 1998
 Elasmopus neglectus Chilton, 1915
 Elasmopus nkjaf Nakamura, Nakano, Ota, & Tomikawa, 2019
 Elasmopus norfolkensis Hughes, 2015
 Elasmopus oaxaquensis García-Madrigal, 2010
 Elasmopus ocoroni J.L. Barnard, 1979
 Elasmopus ora Myers, 2014
 Elasmopus pachacuteci Alves, Johnsson & Senna, 2016
 Elasmopus palu Appadoo & Myers, 2003
 Elasmopus pectenicrus (Spence Bate, 1862)
 Elasmopus perditus Reid, 1951
 Elasmopus piikoi J.L. Barnard, 1970
 Elasmopus pilosus Ledoyer, 1978
 Elasmopus pocillimanus (Spence Bate, 1862)
 Elasmopus podotrichius Ruffo, 1969
 Elasmopus polynesus Krapp-Schickela & Müller, 2011
 Elasmopus pseudaffinis Schellenberg, 1938
 Elasmopus pseudinteger Appadoo & Myers, 2003
 Elasmopus puteus Appadoo & Myers, 2003
 Elasmopus rapax Costa, 1853
 Elasmopus rishikondiensis Kanakadurga, Rao & Shyamasundari, 1981
 Elasmopus serraticus J.L. Barnard, 1969
 Elasmopus seticarpus Myers, 1985
 Elasmopus sivaprakasami Myers, Trivedi & Vachhrajani in Myers, Trivedi, Gosavi, Vachhrajani, 2018
 Elasmopus slatyeri Lowry & Hughes, 2009
 Elasmopus smirnovi Bulyčeva, 1952
 Elasmopus souillacensis Appadoo & Myers, 2003
 Elasmopus souzafilhoi Senna, 2011
 Elasmopus spinibasus Sivaprakasam, 1970
 Elasmopus spinicarpus Berents, 1983
 Elasmopus spinidactylus Chevreux, 1907
 Elasmopus spinimanus Walker, 1904
 Elasmopus spinipalpus Ledoyer, 1983
 Elasmopus spinipes Mateus & Mateus, 1986
 Elasmopus steelei Appadoo & Myers, 2003
 Elasmopus steinitzi Ruffo, 1959
 Elasmopus takamotus Myers, 1986
 Elasmopus temori J.L. Barnard, 1979
 Elasmopus thalyae Gouillieux & Sorbe, 2015
 Elasmopus thomasi Ortiz & Lalana, 1994
 Elasmopus tiburoni J.L. Barnard, 1979
 Elasmopus tubar J.L. Barnard, 1979
 Elasmopus vachoni Mateus & Mateus, 1966
 Elasmopus veranocephalensis Lowry & Hughes, 2009
 Elasmopus viracochai Alves, Johnsson & Senna, 2016
 Elasmopus visakhapatnamensis Kanakadurga, Rao & Shyamasundari, 1981
 Elasmopus wahine J.L. Barnard, 1972
 Elasmopus waltersi Ledoyer, 1983
 Elasmopus warra Kelaher & Lowry, 2002
 Elasmopus yahuarhuaci Alves, Johnsson & Senna, 2016
 Elasmopus yucalpeten Paz-Ríos & Ardisson, 2014
 Elasmopus yunde J.L. Barnard, 1974
 Elasmopus yupanquii Alves, Johnsson & Senna, 2016
 Elasmopus zoanthidea J.L. Barnard, 1979

Maeridae