| Holopedium | |
|---|---|
 | |
| Holopedium gibberum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Branchiopoda |
| Order: | Cladocera |
| Family: | Holopediidae Sars, 1865 |
| Genus: | Holopedium Zaddach, 1855 |
Holopedium is the sole genus of water fleas in the family Holopediidae. There are about seven described species in Holopedium. [1] [2] [3]
These seven species belong to the genus Holopedium:
Daphnia is a genus of small planktonic crustaceans, 0.2–6.0 mm (0.01–0.24 in) in length. Daphnia are members of the order Cladocera, and are one of the several small aquatic crustaceans commonly called water fleas because their saltatory (Wiktionary) swimming style resembles the movements of fleas. Daphnia spp. live in various aquatic environments ranging from acidic swamps to freshwater lakes and ponds.
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
The Cladocera are an superorder of small crustaceans commonly called water fleas.
Centropagidae is a family of copepods. Its members are particularly known as plankton in coastal waters and in fresh water in Australia and southern South America. They are also found on subantarctic islands and in lakes in Antarctica.
Daphnia is one of the three subgenera of the genus Daphnia, the others being Australodaphnia and Ctenodaphnia.
The Freyellidae are a family of deep-sea-dwelling starfish. It is one of two families in the order Brisingida. The majority of species in this family are found in Antarctic waters and near Australia. Other species have been found near New Zealand and the United States.
Sida is a genus of ctenopods in the family Sididae. There are about five described species in Sida.
Penilia is a genus of ctenopods in the family Sididae. There is one described species in Penilia, P. avirostris.
Atalantycha is a genus of soldier beetles in the family Cantharidae. There are at least four described species in Atalantycha.
Rhaxonycha is a genus of soldier beetles in the family Cantharidae. There are at least two described species in Rhaxonycha.
Cyrtomoptera is a genus of soldier beetles in the family Cantharidae. There are at least two described species in Cyrtomoptera.
Malthinus is a genus of soldier beetles in the family Cantharidae; species have been recorded from Europe, N. America and Japan. There are more than 140 described species in Malthinus.
Tytthonyx is a genus of soldier beetles in the family Cantharidae. There are about 19 described species in Tytthonyx.
Polemius is a genus of soldier beetles in the family Cantharidae. There are about 16 described species in Polemius.
Holopedium gibberum is a species of water flea in the family Holopediidae. It is found in Europe.
Belotus is a genus of soldier beetles in the family Cantharidae. There are at least four described species in Belotus.
Pacificanthia is a genus of soldier beetles in the family Cantharidae. There are at least four described species in Pacificanthia.
Sida crystallina is a species of ctenopod in the family Sididae. It is found in Europe.
Freyella is a genus of deep-sea-dwelling starfish in the order Brisingida.
Diaphanosoma is a genus of Sididae.
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