| Genus and Selected Species | Image |
|---|---|
| Cemihyclops tenuis | |
| Clausidium vancouverense | |
| Conchyliurus dispar | |
| Foliomolgus cucullus | |
| Giardella ricoensis | |
| Goodingius subadhaerens | |
| Hamaticyclops ahni | |
| Hemadona clavicrura | |
| Hemicyclops parilis | |
| Hersiliodes latericia | |
| Hippomolgus furcifer | |
| Hyphalion captans | |
| Idomene forficata | |
| Leptinogaster minuta | |
| Pholadicola intestinalis | |
| Saphirella tropica | |
| Genus and Selected Species | Image |
|---|---|
| Boreoclausia recta | |
| Clausia lubbockii | |
| Donusa clymenicola | |
| Flabelliphilus inersus | |
| Indoclausia bipartita |  |
| Likroclausia namhaensis |  |
| Maxilliclausia propria |  |
| Megaclausia mirabilis | |
| Mesnilia cluthae |  |
| Oshoroclausia shibazakii |  |
| Pontoclausia wilsoni | |
| Pseudoclausia longiseta | |
| Rhodinicola polydorae |  |
| Sapphirinella stylifera | |
| Sheaderia bifida | |
| Spionicola mystaceus |  |
| Vivgottoia garwoodi | |
| Genus and Selected Species | Image |
|---|---|
| Agetus flaccus |  |
| Corycaeus anglicus |  |
| Ditrichocorycaeus anglicus |  |
| Farranula rostrata |  |
| Monocorycaeus robustus |  |
| Onychocorycaeus giesbrechti |  |
| Urocorycaeus furcifer |  |
| Genus and Selected Species | Image |
|---|---|
| Echiurophilus fizei | |
| Genus and Selected Species | Image |
|---|---|
| Entobius hamondi |  |
| Genus and Selected Species | Image |
|---|---|
| Ambilimbus arcuscelestis |  |
| Centobnaster humesi | |
| Erebonaster protentipes | |
| Nansennaster innupta | |
| Tychidion guyanense | |
| Genus and Selected Species | Image |
|---|---|
| Abergasilus amplexus |  |
| Acusicola minuta |  |
| Amplexibranchius bryconis | |
| Anklobrachius marajoensis | |
| Brasergasilus mamorensis | |
| Dermoergasilus occidentalis |  |
| Ergasilus sieboldi |  |
| Gamidactylus piranhus |  |
| Gamispatulus schizodontis | |
| Gamispinus diabolicus | |
| Gauchergasilus euripedesi |  |
| Majalincola buthi |  |
| Miracetyma etimaruya |  |
| Mugilicola smithae | |
| Neoergasilus japonicus |  |
| Nipergasilus bora |  |
| Paeonodes subviridis |  |
| Paraergasilus rylovi |  |
| Pindapixara tarira | |
| Prehendorastrus monodontus | |
| Pseudovaigamus spinicephalus | |
| Rhinergasilus piranhus | |
| Sinergasilus lieni |  |
| Teredophilus renicola | |
| Therodamas serrani |  |
| Thersitina gasterostei |  |
| Tiddergasilus iheringi |  |
| Urogasilus brasiliensis |  |
| Vaigamus retrobarbatus | |
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