Diaptomus is a genus of copepods with a single eye spot. It is superficially similar in size and appearance to Cyclops. However it has characteristically very long first antennae that exceed the body length. In addition, the females carry the eggs in a single sac rather than the twin sacs seen in Cyclops. It is a copepod of larger freshwater ponds, lakes and still waters.
Aglaodiaptomus is a genus of copepods in the family Diaptomidae. They are often bright red or blue due to carotenoid pigments.
Allodiaptomus satanas is a species of calanoid copepod in the family Diaptomidae.
Boeckella is a genus of copepods in the family Centropagidae.
Dussartius baeticus is a species of crustacean in the family Diaptomidae. It is endemic to the Iberian Peninsula, having been found in south-eastern Spain, and in the waters of the Tagus estuary, the Caniçada reservoir, and four reservoirs in the Mondego system in Portugal.
Elaphoidella is a genus of freshwater copepods in the family Canthocamptidae. It contains over 200 species, including three classified as vulnerable species by the IUCN – three endemic to Slovenia and one endemic to the United States. In total, the genus Elaphoidella contains the following species:
Heliodiaptomus kolleruensis is a species of copepod in the family Diaptomidae. It was described in 1981 from specimens collected in the Krishna River, Lake Kolleru and bodies of water in Guntur district, Andhra Pradesh, India. It is listed as a vulnerable species on the IUCN Red List.
Idiodiaptomus gracilipes is a species of copepod in the family Diaptomidae. It is endemic to "a pool at Itapura", in São Paulo state, Brazil.
Metacyclops is a genus of copepod crustaceans in the family Cyclopidae, containing 61 species, of which three are listed on the IUCN Red List – M. campestris from Brazil, M. gasparoi from Italy (vulnerable) and M. postojnae from Slovenia (vulnerable).
Muscocyclops is a genus of copepod crustaceans in the family Cyclopidae, comprising three species found only in South America. Two of the species – Muscocyclops bidentatus Reid, 1987 and Muscocyclops therasiae Reid, 1987 – are endemic to the Distrito Federal in Brazil, and are listed as conservation dependent on the IUCN Red List. The third species is Muscocyclops operculatus.
Neodiaptomus is a genus of freshwater copepods in the family Diaptomidae. It contains the following species, four of which are listed as vulnerable species on the IUCN Red List :
Neutrodiaptomus is a genus of copepods in the family Diaptomidae. The Japanese endemic species N. formosus is listed as Data Deficient on the IUCN Red List. The genus Neutrodiaptomus contains the following species:
Nitocrella is a genus of copepod. Although most other genera in the family Ameiridae are marine, species of Nitocrella are almost exclusively found in subterranean fresh water or brackish water. More than 80 species are included in the genus, including two which are listed as vulnerable species on the IUCN Red List:
Notodiaptomus is a genus of copepods in the family Diaptomidae. It is the most widely distributed, most abundant and most species-rich genus of freshwater calanoid copepods in the Neotropics. The genus was erected in 1936 by Friedrich Kiefer for eleven species formerly placed in a wider Diaptomus. Notodiaptomus deitersi was chosen to be the type species by Raúl Adolfo Ringuelet in 1958.
Phyllodiaptomus is a genus of crustacean in the family Diaptomidae. It includes the following species:
Thermodiaptomus is a genus of copepods in the family Diaptomidae, containing the following species:
Tropodiaptomus is a genus of copepods in the family Diaptomidae. It includes the following species, many of which are narrow endemics and are included on the IUCN Red List :
Diaptomidae is a family of freshwater pelagic copepods. It includes around 50 genera:
The Cyclopidae are a family of copepods containing more than half of the 1,200 species in the order Cyclopoida in over 70 genera.
Sinodiaptomus is a genus of freshwater copepods in the family Diaptomidae, found in Asia and Palaearctic regions. The Japanese Sinodiaptomus valkanovi has established non-indigenous populations in California, Bulgaria and New Zealand, although only the New Zealand population persists due to destruction of the habitat in California and Bulgaria. The genus was originally described as a subgenus of Diaptomus, containing only Sinodiaptomus chaffanjoni, but now contains five species:
