| Genus and Selected Species | Image |
|---|---|
| Amphilepis norvegica | |
| Ophiomonas bathybia | |
| Genus and Selected Species | Image |
|---|---|
| Amphilimna olivacea |  |
| Genus and Selected Species | Image |
|---|---|
| Acrocnida brachiata |  |
| Amphichondrius granulatus |  |
| Amphicontus minutus |  |
| Amphiodia pulchella |  |
| Amphiomya notabilis | |
| Amphioncus platydiscus | |
| Amphioplus thrombodes |  |
| Amphipholis squamata |  |
| Amphipholizona perplexa |  |
| Amphistigma minuta |  |
| Amphiura triscacantha |  |
| Dougaloplus echinatus |  |
| Microphiopholis atra |  |
| Nannophiura lagani | |
| Nudamphiura carvalhoi | |
| Ophiocentrus pilosa |  |
| Ophiocnida hispida |  |
| Ophiodaphne formata |  |
| Ophionephthys lowelli |  |
| Ophiophragmus chilensis |  |
| Ophiosphaera insignis |  |
| Ophiostigma abnorme |  |
| Paracrocnida persica | |
| Paramphichondrius tetradontus | |
| Paramphiura punctata | |
| Triplodia abdita | |
| Genus and Selected Species | Image |
|---|---|
| Actinozonella texturata |  |
| Astrogymnote oharai |  |
| Hemieuryale pustulata |  |
| Ophioholcus sexradiata | |
| Ophioplocus esmarki |  |
| Ophioplus tuberculosus | |
| Ophiozonella novaecaledoniae |  |
| Ophiozonoida innominata | |
| Quironia johnsoni | |
| Sigsbeia lineata |  |
| Genus and Selected Species | Image |
|---|---|
| Hemipholis cordifera |  |
| Ophiactis savignyi |  |
| Genus and Selected Species | Image |
|---|---|
| Ophiolepis superba |  |
| Ophioteichus multispinum |  |
| Ophiotypa simplex |  |
| Genus and Selected Species | Image |
|---|---|
| Ophiochiton fastigatus |  |
| Ophiodoris malignus |  |
| Ophionereis schayeri |  |
| Ophioneroides granum |  |
| Ophioplax ljungmani |  |
| Genus and Selected Species | Image |
|---|---|
| Ophiopholis aculeata |  |
| Genus and Selected Species | Image |
|---|---|
| Ophiopsila multipapillata |  |
| Genus and Selected Species | Image |
|---|---|
| Histampica cythera | |
| Ophioleila elegans |  |
| Ophiothamnus biocal |  |
| Genus and Selected Species | Image |
|---|---|
| Gymnolophus obscura |  |
| Lissophiothrix delicata | |
| Macrophiothrix longipeda |  |
| Ophiocnemis marmorata |  |
| Ophiogymna funesta |  |
| Ophiolophus novarae | |
| Ophiomaza cacaotica |  |
| Ophiophthirius actinometrae | |
| Ophiopsammium semperi |  |
| Ophiopteron elegans |  |
| Ophiothela mirabilis |  |
| Ophiothrix angulata |  |
| Ophiotrichoides irregularis | |