''Cyzicus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of clam shrimps in the family Cyzicidae. Identified by

Jean Victoire Audouin Jean Victor Audouin (27 April 1797 – 9 November 1841), sometimes Victor Audouin, was a French naturalist, an entomologist, herpetologist, ornithologist, and malacologist. Biography Audouin was born in Paris and was educated in the field of medi ...

in 1837, the genus was reidentified as ''Caenestheriella'' by

Eugen von Daday Eugen von Daday or Jenő von Daday (1855–1920) was a Romanian professor of zoology in Hungary in the late 19th and early 20th century. Daday was an expert on aquatic invertebrates, particularly crustaceans. Daday collected and identified man ...

in 1910. There are seven species in the genus: *''

Cyzicus belfragei Cyzicus (; grc, Κύζικος ''Kúzikos''; ota, آیدینجق, ''Aydıncıḳ'') was an ancient Greek town in Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peni ...

'' (Packard, 1871) – Belfrage clam shrimp *''

Cyzicus californicus Cyzicus (; grc, Κύζικος ''Kúzikos''; ota, آیدینجق, ''Aydıncıḳ'') was an ancient Greek town in Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peni ...

'' (Packard, 1883) – California clam shrimp *'' Cyzicus elongatus'' (Mattox, 1957 – elongate clam shrimp *''

Cyzicus gynecia Cyzicus (; grc, Κύζικος ''Kúzikos''; ota, آیدینجق, ''Aydıncıḳ'') was an ancient Greek town in Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peni ...

'' (Mattox, 1949) – Mattox clam shrimp *'' Cyzicus mexicanus'' (Claus, 1860) – Mexican clam shrimp *'' Cyzicus morsei'' (Packard, 1883) – Morse clam shrimp *'' Cyzicus setosa'' (Pearse, 1912) – setose clam shrimp

References

Branchiopoda genera Spinicaudata {{Branchiopoda-stub