title: Halocynthia
text: # Halocynthia
  
  Halocynthia is a genus of ascidian tunicates in the family Pyuridae. Species such as H. roretzi are used as food.
  
  Species within the genus Halocynthia include:
  
  * Halocynthia aurantium (Pallas, 1787)
  * Halocynthia breviramosa Sluiter, 1904
  * Halocynthia cactus (Oka, 1932)
  * Halocynthia dumosa (Stimpson, 1855)
  * Halocynthia hilgendorfi (Traustedt, 1885)
  * Halocynthia igaboja Oka, 1906
  * Halocynthia igaguri Tokioka, 1953
  * Halocynthia microspinosa (Van Name, 1921)
  * Halocynthia okai Ritter, 1907
  * Halocynthia papillosa (Linnaeus, 1767)
  * Halocynthia pyriformis (Rathke, 1806)
  * Halocynthia roretzi (Drasche, 1884)
  * Halocynthia simaensis Tokioka, 1949
  * Halocynthia spinosa Sluiter, 1905
  * Halocynthia turboga (Oka, 1929)
  
  Species names currently considered to be synonyms:
  
  * Halocynthia arabica Monniot, 1965: synonym of Halocynthia spinosa Sluiter, 1905
  * Halocynthia arctica (Hartmeyer, 1899): synonym of Boltenia echinata (Linnaeus, 1767)
  * Halocynthia carnleyensis Bovien, 1921: synonym of Pyura trita (Sluiter, 1900)
  * Halocynthia castaneiformis (Drasche, 1884): synonym of Boltenia villosa (Stimpson, 1864)
  * Halocynthia cerebriformis (Herdman, 1881): synonym of Pyura spinosa (Quoy & Gaimard, 1834)
  * Halocynthia chilensis (Molina, 1782): synonym of Pyura chilensis Molina, 1782
  * Halocynthia comma Hartmeyer, 1906: synonym of Pyura comma (Hartmeyer, 1906)
  * Halocynthia deani (Ritter, 1900): synonym of Halocynthia aurantium (Pallas, 1787)
  * Halocynthia defectiva Millar, 1962: synonym of Halocynthia spinosa Sluiter, 1905
  * Halocynthia discoveryi Herdman, 1910: synonym of Pyura discoveryi (Herdman, 1910)
  * Halocynthia echinata (Linnaeus, 1767): synonym of Boltenia echinata (Linnaeus, 1767)
  * Halocynthia gangelion (Savigny, 1816): synonym of Pyura gangelion (Savigny, 1816)
  * Halocynthia grandis (Heller, 1878): synonym of Herdmania grandis (Heller, 1878)
  * Halocynthia haustor (Stimpson, 1864): synonym of Pyura haustor (Stimpson, 1864)
  * Halocynthia hispida (Herdman, 1881): synonym of Halocynthia dumosa (Stimpson, 1855)
  * Halocynthia hystrix Oka, 1930: synonym of Pyura sacciformis (Drasche, 1884)
  * Halocynthia jacatrensis (Sluiter, 1890): synonym of Pyura arenosa (Herdman, 1882)
  * Halocynthia jakoboja Oka, 1906: synonym of Halocynthia igaboja Oka, 1906
  * Halocynthia johnsoni Ritter, 1909: synonym of Pyura haustor (Stimpson, 1864)
  * Halocynthia jokoboja Oka, 1906: synonym of Pyura sacciformis (Drasche, 1884)
  * Halocynthia karasboja Oka, 1906: synonym of Pyura vittata (Stimpson, 1852)
  * Halocynthia michaelseni Oka, 1906: synonym of Pyura sacciformis (Drasche, 1884)
  * Halocynthia mirabilis (Drasche, 1884): synonym of Herdmania mirabilis (Drasche, 1884)
  * Halocynthia momus (Savigny, 1816): synonym of Herdmania momus (Savigny, 1816)
  * Halocynthia owstoni Oka, 1906: synonym of Halocynthia igaboja Oka, 1906
  * Halocynthia paessleri (Michaelsen, 1900): synonym of Pyura paessleri (Michaelsen, 1900)
  * Halocynthia pallida (Heller, 1878): synonym of Herdmania pallida (Heller, 1878)
  * Halocynthia partita (Stimpson, 1852): synonym of Styela canopus (Savigny, 1816)
  * Halocynthia polycarpa Sluiter, 1904: synonym of Pyura polycarpa (Sluiter, 1904)
  * Halocynthia pulchella (Verrill, 1871): synonym of Dendrodoa pulchella (Rathke, 1806)
  * Halocynthia riiseana (Traustedt, 1883): synonym of Pyura vittata (Stimpson, 1852)
  * Halocynthia ritteri (Oka, 1906): synonym of Halocynthia igaboja Oka, 1906
  * Halocynthia rustica (Linnaeus, 1767): synonym of Styela rustica Linnaeus, 1767
  * Halocynthia sanderi (Traustedt & Weltner, 1894): synonym of Pyura sacciformis (Drasche, 1884)
  * Halocynthia setosa Sluiter, 1905: synonym of Pyura setosa (Sluiter, 1905)
  * Halocynthia stubenrauchi (Michaelsen, 1900): synonym of Pyura stubenrauchi (Michaelsen, 1900)
  * Halocynthia superba (Ritter, 1900): synonym of Halocynthia aurantium (Pallas, 1787)
  * Halocynthia transversaria Sluiter, 1904: synonym of Boltenia transversaria (Sluiter, 1904)
  * Halocynthia tuberculum Verrill, 1879: synonym of Styela coriacea (Alder & Hancock, 1848)
  * Halocynthia vanhaffeni Michaelsen, 1904: synonym of Pyura stolonifera (Heller, 1878)
  * Halocynthia vanhoeffeni Michaelsen, 1904: synonym of Pyura stolonifera (Heller, 1878)
  * Halocynthia vanhoffeni Michaelsen, 1904: synonym of Pyura stolonifera (Heller, 1878)
  * Halocynthia villosa (Stimpson, 1864): synonym of Boltenia villosa (Stimpson, 1864)
  * Halocynthia washingtonia Ritter, 1913: synonym of Pyura haustor (Stimpson, 1864)
  