''Cybaeozyga'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

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 North American

araneomorph The Araneomorphae (also called the Labidognatha) are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (tarantulas and their cl ...

spiders in the family

Cybaeidae Cybaeidae is a family of spiders first described by Nathan Banks in 1892. The diving bell spider or water spider ''Argyroneta aquatica'' was previously included in this family, but is now in the family Dictynidae. Genera , the World Spider Cata ...

containing the single species, ''Cybaeozyga heterops''. It was first described by R. V. Chamberlin &

Wilton Ivie Vaine Wilton Ivie (March 28, 1907 – August 8, 1969) was an American arachnologist, who described hundreds of new species and many new genera of spiders, both under his own name and in collaboration with Ralph Vary Chamberlin. He was employed b ...

in 1937, and was moved to the Cybaeidae in 1967. It has only been found in

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

References

Cybaeidae Monotypic Araneomorphae genera Spiders of the United States {{Araneomorphae-stub