These 152 genera belong to the family Elmidae, riffle beetles. There are at least 1,500 described species in Elmidae.
Elmidae genera
- Aesobia <small>Jäch, 1982</small>
- Amazonopsis <small>Barr, 2018</small>
- Ampumixis <small>Sanderson, 1954</small>
- Amrishelmis <small>Makhan, 2007</small>
- Ancyronyx <small>Erichson, 1847</small>
- Anommatelmis <small>Spangler, 1981</small>
- Aspidelmis <small>Delève, 1954</small>
- Atractelmis <small>Chandler, 1954</small>
- Aulacosolus <small>Jäch & Boukal, 1997</small>
- Austrelmis <small>Brown, 1984</small>
- Austrolimnius <small>Carter & Zeck, 1929</small>
- Bryelmis <small>Barr, 2011</small>
- Cephalolimnius <small>Delève, 1973</small>
- Cleptelmis <small>Sanderson, 1954</small>
- Coxelmis <small>Carter & Zeck, 1929</small>
- Ctenelmis <small>Delève, 1964</small>
- Cuspidevia <small>Jäch & Boukal, 1995</small>
- Cylloepus <small>Erichson, 1847</small>
- Disersus <small>Sharp, 1882</small>
- Dryopomorphus <small>Hamilton, 1936</small>
- Dubiraphia <small>Sanderson, 1954</small>
- Dupophilus <small>Mulsant & Rey, 1872</small>
- Elachistelmis <small>Maier, 2012</small>
- Elmidolia <small>Fairmaire, 1879</small>
- Elmis <small>Latreille, 1802</small>
- Elpidelmis <small>Delève, 1964</small>
- Elpidemis <small>Delève, 1964</small>
- Eonychius <small>Jäch & Boukal, 1996</small>
- Epodelmis <small>Hinton, 1973</small>
- Esolus <small>Mulsant & Rey, 1872</small>
- Eumicrodinodes <small>Delève, 1965</small>
- Exolimnius <small>Delève, 1954</small>
- Gonielmis <small>Sanderson, 1954</small>
- Graphelmis <small>Delève, 1968</small>
- Graphosolus <small>Jäch & Kodada, 1996</small>
- Grouvellinus <small>Champion, 1923</small>
- Gyrelmis <small>Hinton, 1940</small>
- Haraldaria <small>Jäch & Boukal, 1996</small>
- Hedyselmis <small>Hinton, 1976</small>
- Helminthocharis <small>Grouvelle, 1906</small>
- Helminthopsis <small>Grouvelle, 1906</small>
- Heterelmis <small>Sharp, 1882</small>
- Heterlimnius <small>Hinton, 1935</small>
- Hexacylloepus <small>Hinton, 1940</small>
- Hexanchorus <small>Sharp, 1882</small>
- Hintonelmis <small>Spangler, 1966</small>
- Hispaniolara <small>Brown, 1981</small>
- Holcelmis <small>Hinton, 1973</small>
- Homalosolus <small>Jäch & Kodada, 1996</small>
- Huleechius <small>Brown, 1981</small>
- Hydora <small>Broun, 1882</small>
- Hydrethus <small>Fairmaire, 1889</small>
- Hypsilara <small>Maier & Spangler, 2011</small>
- Ilamelmis <small>Delève, 1973</small>
- Indosolus <small>Bollow, 1940</small>
- Jaechomorphus <small>Kodada, 1993</small>
- Jilanzhunychus <small>Jäch & Boukal, 1995</small>
- Jolyelmis <small>Spangler & Faitoute, 1991</small>
- Kingolus <small>Carter & Zeck, 1929</small>
- Laorina <small>Jäch, 1997</small>
- Lara <small>LeConte, 1852</small>
- Lathridelmis <small>Delève, 1965</small>
- Leielmis <small>Delève, 1964</small>
- Lemalelmis <small>Spangler, 1981</small>
- Leptelmis <small>Sharp, 1888</small>
- Limnius <small>Illiger, 1802</small>
- Lobelmis <small>Fairmaire, 1898</small>
- Loxostirus <small>Jäch & Kodada, 1996</small>
- Luchoelmis <small>Spangler & Staines, 2004</small>
- Ludyella <small>Reitter, 1899</small>
- Macrelmis <small>Motschulsky, 1859</small>
- Macronevia <small>Jäch & Boukal, 1996</small>
- Macronychoides <small>Champion, 1923</small>
- Macronychus <small>Mueller, 1806</small>
- Microcylloepus <small>Hinton, 1935</small>
- Microdinodes <small>Grouvelle, 1906</small>
- Microlara <small>Jäch, 1993</small>
- Narpus <small>Casey, 1893</small>
- Neblinagena <small>Spangler, 1985</small>
- Neocylloepus <small>Brown, 1970</small>
- Neoelmis <small>Musgrave, 1935</small>
- Neolimnius <small>Hinton, 1939</small>
- Neoriohelmis <small>Nomura, 1958</small>
- Nesonychus <small>Jäch & Boukal, 1997</small>
- Nomuraelmis <small>Satô, 1964</small>
- Normandia <small>Pic, 1900</small>
- Notelmis <small>Hinton, 1941</small>
- Notriolus <small>Carter & Zeck, 1929</small>
- Ohiya <small>Jäch, 1982</small>
- Okalia <small>Kodada & Ciampor, 2003</small>
- Omotonus <small>Delève, 1963</small>
- Onychelmis <small>Hinton, 1941</small>
- Oolimnius <small>Hinton, 1939</small>
- Optioservus <small>Sanderson, 1954</small>
- Ordobrevia <small>Sanderson, 1953</small>
- Orientelmis <small>Shepard, 1998</small>
- Oulimnius <small>des Gozis, 1886</small>
- Ovolara <small>Brown, 1981</small>
- Pachyelmis <small>Fairmaire, 1898</small>
- Pagelmis <small>Spangler, 1981</small>
- Paramacronychus <small>Nomura, 1958</small>
- Parapotamophilus <small>Brown, 1981</small>
- Peloriolus <small>Delève, 1964</small>
- Phanoceroides <small>Hinton, 1939</small>
- Phanocerus <small>Sharp, 1882</small>
- Pharceonus <small>Spangler & Santiago-Fragoso, 1992</small>
- Pilielmis <small>Hinton, 1971</small>
- Podelmis <small>Hinton, 1941</small>
- Podonychus <small>Jäch & Kodada, 1997</small>
- Portelmis <small>Sanderson, 1953</small>
- Potamocares <small>Grouvelle, 1920</small>
- Potamodytes <small>Grouvelle, 1896</small>
- Potamogethes <small>Delève, 1963</small>
- Potamolatres <small>Delève, 1963</small>
- Potamophilinus <small>Grouvelle, 1896</small>
- Potamophilops <small>Grouvelle, 1896</small>
- Potamophilus <small>Germar, 1811</small>
- Prionosolus <small>Jäch & Kodada, 1997</small>
- Pseudamophilus <small>Bollow, 1940</small>
- Pseudancyronyx <small>Bertrand & Steffan, 1963</small>
- Pseudelmidolia <small>Delève, 1963</small>
- Pseudodisersus <small>Brown, 1981</small>
- Pseudomacronychus <small>Grouvelle, 1906</small>
- Rhizelmis <small>Chandler, 1954</small>
- Rhopalonychus <small>Jäch & Kodada, 1996</small>
- Riolus <small>Mulsant & Rey, 1872</small>
- Roraima <small>Kodada & Jäch, 1999</small>
- Rudielmis <small>Jäch & Boukal, 1995</small>
- Simsonia <small>Carter & Zeck, 1929</small>
- Sinelmis <small>Satô & Kishimoto, 2001</small>
- Sinonychus <small>Jäch & Boukal, 1995</small>
- Sphragidelmis <small>Delève, 1964</small>
- Stegoelmis <small>Hinton, 1939</small>
- Stenelmis <small>Dufour, 1835</small>
- Stenhelmoides <small>Grouvelle, 1908</small>
- Stethelmis <small>Hinton, 1945</small>
- Stetholus <small>Carter & Zeck, 1929</small>
- Taprobanelmis <small>Delève, 1973</small>
- Tolmerelmis <small>Hinton, 1972</small>
- Tolriolus <small>Hinton, 1940</small>
- Trachelminthopsis <small>Delève, 1965</small>
- Tropidelmis <small>Delève, 1964</small>
- Tyletelmis <small>Hinton, 1972</small>
- Typhloelmis <small>Barr in Barr, Gibson & Diaz, 2015</small>
- Unguisaeta <small>Jäch, 1982</small>
- Urumaelmis <small>Satô, 1963</small>
- Vietelmis <small>Delève, 1968</small>
- Xenelmis <small>Hinton, 1936</small>
- Xenelmoides <small>Hinton, 1936 </small>
- Zaitzevia <small>Champion, 1923</small>
- Zaitzeviaria <small>Nomura, 1959 </small>
- â Cretohypsilara <small>Cai & al., 2018</small>
References