# Diphasia

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> Source: https://en.wikipedia.org/wiki/Diphasia
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***Diphasia*** is a genus of [hydrozoans](/source/Hydrozoans) belonging to the family [Sertulariidae](/source/Sertulariidae).[1]

The genus has a [cosmopolitan distribution](/source/Cosmopolitan_distribution).[1]

## Species

The following species are recognised in the genus *Diphasia*:[2]

- *[Diphasia africana](/source/Diphasia_africana)* Gil & Ramil, 2017
- *[Diphasia alata](/source/Diphasia_alata)* (Hincks, 1855)
- *[Diphasia alternata](/source/Diphasia_alternata)* Galea, 2019
- *[Diphasia anaramosae](/source/Diphasia_anaramosae)* Gil & Ramil, 2017
- *[Diphasia attenuata](/source/Diphasia_attenuata)* (Hincks, 1866)
- *[Diphasia cauloatheca](/source/Diphasia_cauloatheca)* Billard, 1920
- *[Diphasia corniculata](/source/Diphasia_corniculata)* (Murray, 1860)
- *[Diphasia cristata](/source/Diphasia_cristata)* Billard, 1920
- *[Diphasia delagei](/source/Diphasia_delagei)* Billard, 1912
- *[Diphasia densa](/source/Diphasia_densa)* (Stechow, 1923)
- *[Diphasia digitalis](/source/Diphasia_digitalis)* (Busk, 1852)
- *[Diphasia dubia](/source/Diphasia_dubia)* Hargitt, 1927
- *[Diphasia fallax](/source/Diphasia_fallax)* (Johnston, 1847)
- *[Diphasia heurteli](/source/Diphasia_heurteli)* Billard, 1924
- *[Diphasia inornata](/source/Diphasia_inornata)* Nutting, 1927
- *[Diphasia leonisae](/source/Diphasia_leonisae)* Gil & Ramil, 2017
- *[Diphasia margareta](/source/Diphasia_margareta)* (Hassall, 1841)
- *[Diphasia minuta](/source/Diphasia_minuta)* Billard, 1920
- *[Diphasia mutulata](/source/Diphasia_mutulata)* (Busk, 1852)
- *[Diphasia nigra](/source/Diphasia_nigra)* (Pallas, 1766)
- *[Diphasia nuttingi](/source/Diphasia_nuttingi)* Stechow, 1913
- *[Diphasia orientalis](/source/Diphasia_orientalis)* Billard, 1920
- *[Diphasia paarmani](/source/Diphasia_paarmani)* Nutting, 1904
- *[Diphasia palmata](/source/Diphasia_palmata)* Nutting, 1905
- *[Diphasia robusta](/source/Diphasia_robusta)* Fraser, 1941
- *[Diphasia rosacea](/source/Diphasia_rosacea)* (Linnaeus, 1758)
- *[Diphasia saharica](/source/Diphasia_saharica)* Gil & Ramil, 2017
- *[Diphasia scalariformis](/source/Diphasia_scalariformis)* Kirkpatrick, 1890
- *[Diphasia subcarinata](/source/Diphasia_subcarinata)* (Busk, 1852)
- *[Diphasia tetraglochina](/source/Diphasia_tetraglochina)* Billard, 1907
- *[Diphasia thornelyi](/source/Diphasia_thornelyi)* Ritchie, 1909
- *[Diphasia tropica](/source/Diphasia_tropica)* Nutting, 1904
- *[Diphasia varians](/source/Diphasia_varians)* Jarvis, 1922

## References

1. ["Diphasia Agassiz, 1862"](https://www.gbif.org/species/2269108). *www.gbif.org*. Retrieved 9 July 2021.

1. ["WoRMS - World Register of Marine Species - Diphasia Agassiz, 1862"](https://www.marinespecies.org/aphia.php?p=taxdetails&id=117228). *www.marinespecies.org*. Retrieved 2025-06-30.

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Adapted from the Wikipedia article [Diphasia](https://en.wikipedia.org/wiki/Diphasia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Diphasia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.