Sometimes taxonomists create new names for groups that already have a name. They may do this because they are unaware of the original name, or they may think the organism before them belongs to a different group when in fact it does not. If two or more names are found to apply to the same group, they are considered synonyms. In most cases, the first name takes priority and is considered to be the valid or accepted name. However, there can be exceptions, and it's not always easy to determine which of a series of synonyms should be considered valid or accepted. Here we list the synonyms provided to EOL by our classification partners. We also include other versions of the name that most likely refer to the same group, for example, misspellings in the literature or different variations of the authorship associated with the name.

Preferred marks the preferred name from each source.

World Register of Marine Species (WoRMS)

Name Relationship
Ascidia Linnaeus, 1767 Preferred
Ascidia nigra (Savigny, 1816) Synonym
Ascidia julinea (Sluiter, 1915)
Ascidia somalensis Sluiter, 1905
Ascidia colleta C. Monniot & F. Monniot, 1970
Ascidia recifensis Millar, 1977
Ascidia retinensis Monniot, 1984
Ascidia rustica Risso, 1826
Ascidia aclara Kott, 1952
Ascidia aculeata Alder, 1863
Ascidia adhaerens Ritter, 1901
Ascidia aenigmatica Nishikawa, 1986
Ascidia affinis Hancock, 1870
Ascidia aggregata Rathke, 1806
Ascidia albeola Lesueur, 1823
Ascidia alderi Alder & Hancock, 1912
Ascidia amoena Alder & Hancock, 1912
Ascidia amphora Agassiz, 1850
Ascidia ampulloides Beneden, 1846
Ascidia aperta Sluiter, 1904
Ascidia aspersa Mueller, 1776
Ascidia atra Lesueur, 1823
Ascidia aurantium Pallas, 1787
Ascidia aurata Quoy & Gaimard, 1834
Ascidia australis Quoy & Gaimard, 1834
Ascidia bisulca Sluiter 1904
Ascidia calcata Stimpson, 1855
Ascidia californica Ritter & Forsyth, 1917
Ascidia canina Mueller, 1776
Ascidia carnea Agassiz, 1850
Ascidia cavernosa Lesueur, 1823
Ascidia charcoti Sluiter, 1905
Ascidia clavata Pallas, 1774
Ascidia claviformis Lesueur, 1823
Ascidia coerulea Quoy & Gaimard, 1834
Ascidia complanata Fabricius, 1780
Ascidia compressa Rathke, 1806
Ascidia compta Sluiter, 1898
Ascidia corelloides (Van Name, 1924)
Ascidia crassa Alder & Hancock, 1912
Ascidia cuviera Delle Chiaje, 1841
Ascidia cuvieri Delle Chiaje, 1841
Ascidia cylindracea Herdman, 1880
Ascidia decemplex Sluiter, 1890
Ascidia depressa Alder & Hancock, 1912
Ascidia diplozoon Sluiter, 1887
Ascidia dispar Ärnbäck, 1938
Ascidia divisa Sluiter, 1898
Ascidia donnani Herdman, 1906
Ascidia dorsalis Monniot, 1987
Ascidia echinata Linnaeus, 1767
Ascidia eiseni Michaelsen, 1923
Ascidia elliptica Alder & Hancock, 1848
Ascidia elongata Alder & Hancock, 1912
Ascidia falcigera Herdman, 1880
Ascidia gelatinosa Kiaer, 1893
Ascidia geometrica Stimpson, 1852
Ascidia glacialis (Traustedt, 1886)
Ascidia globifera Lamarck, 1816
Ascidia globularis Pallas, 1776
Ascidia granosa Sluiter 1904
Ascidia griffini (Herdman, 1898)
Ascidia grossularia Beneden, 1846
Ascidia guttulata Roule, 1896
Ascidia hirsuta Agassiz, 1850
Ascidia hygomiana (Traustedt, 1882)
Ascidia incerta Herdman, 1899
Ascidia ingeria (Traustedt, 1883)
Ascidia inonata Alder & Hancock, 1912
Ascidia inornata Verrill, 1879
Ascidia intestinalis Linnaeus, 1767
Ascidia juliinea (Sluiter, 1915)
Ascidia lapidosa Sluiter, 1904
Ascidia lepadiformis Mueller, 1776
Ascidia limosa Sluiter, 1887
Ascidia longisiphonata Kiaer, 1893
Ascidia longitubis (Traustedt, 1882)
Ascidia longitudinalis Seeliger, 1901
Ascidia loveni Sars, 1851
Ascidia lovenii (Sars, 1851)
Ascidia lurida Moeller, 1842
Ascidia mammillata Cuvier, 1815
Ascidia manhattensis (De Kay, 1843)
Ascidia massue Brugiere, 1792
Ascidia microcosmus Cuvier, 1815
Ascidia mikrenterica Sluiter, 1904
Ascidia minuta Tokioka, 1950
Ascidia mollis Verrill, 1874
Ascidia monoceros Moeller, 1842
Ascidia morei Alder & Hancock, 1912
Ascidia munida Sluiter, 1898
Ascidia normanni Alder & Hancock, 1870
Ascidia obesa Herdman, 1880
Ascidia ocellata Agassiz, 1850
Ascidia pandora Kott, 1985
Ascidia parallelogramma Mueller, 1776
Ascidia parameridionalis Vinogradova, 1962
Ascidia patata Costa, 1844
Ascidia patoni Herdman, 1881
Ascidia patula Mueller, 1776
Ascidia pedunculata Hoffman, 1829
Ascidia pellucida Alder & Hancock, 1848
Ascidia phusca Delle Chiaje, 1828
Ascidia plana Alder & Hancock, 1912
Ascidia plebeia Alder & Hancock, 1912
Ascidia plicata Kott, 1954
Ascidia postrata Heller, 1878
Ascidia producta Alder & Hancock, 1912
Ascidia psammophora Agassiz, 1850
Ascidia pulchella Alder, 1863
Ascidia pustulosa Alder, 1863
Ascidia pyriformis Herdman, 1880
Ascidia pyura Gmelin, 1791
Ascidia quadridentata Linnaeus, 1767
Ascidia rhabdophora Sluiter, 1904
Ascidia robusta Alder & Hancock, 1912
Ascidia rubicunda Alder & Hancock, 1912
Ascidia rubrotincta Alder & Hancock, 1912
Ascidia rudis Alder & Hancock, 1912
Ascidia rugosa Agassiz, 1850
Ascidia rutica Linnaeus, 1767
Ascidia sabulosa (Quoy & Gaimard, 1834)
Ascidia scabra Mueller, 1776
Ascidia solomonensis Nishikawa, 1986
Ascidia sordida Alder & Hancock, 1848
Ascidia spinifera Quoy & Gaimard, 1834
Ascidia spinosa Quoy & Gaimard, 1834
Ascidia styeloides (Traustedt, 1882)
Ascidia suensoni (Traustedt, 1885)
Ascidia sulcata Coquebert, 1797
Ascidia sydneyensis Stimpson, 1855
Ascidia tenella Stimpson, 1852
Ascidia tinctor Quoy & Gaimard, 1834
Ascidia tuberculum Fabricius, 1780
Ascidia tubifera Örstedt, 1844
Ascidia variabilis Lesueur, 1823
Ascidia vasculosa Herdman, 1880
Ascidia venosa Mueller, 1776
Ascidia verrucosa (Lesson, 1830)
Ascidia plicata Lesueur, 1823
Ascidia aurora Quoy & Gaimard, 1834
Ascidia reticulata Quoy & Gaimard, 1834
Ascidia succida Stimpson, 1855
Ascidia tumulus Quoy & Gaimard, 1834
Ascidia sulcatus Coquebert, 1797
Ascidia membranosa Renier, 1807
Ascidia virescens Pennant, 1812
Ascidia diaphanea Quoy & Gaimard, 1834
Ascidia australiensis Hartmeyer, 1927
Ascidia cristata Risso, 1826
Ascidia opalina Macgillivray, 1843
Ascidia albida Alder & Hancock, 1848
Ascidia truncata Herdman, 1881
Ascidia triangularis Herdman, 1881
Ascidia minuta Kiaer, 1893
Ascidia expansa Kiaer, 1893
Ascidia oblonga Herdman, 1880
Ascidia phallusioides Herdman, 1899
Ascidia corrugata Mueller, 1776
Ascidia virens Fabricius, 1779
Ascidia viridiscens Brugiere, 1792
Ascidia clavata Mueller, 1776
Ascidia mediterranean Pérès, 1959

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