Stolidobranchia is an order of tunicates in the class Ascidiacea. The group includes both colonial and solitary animals. They are distinguished from other tunicates by the presence of folded pharyngeal baskets. This provides the etymology of their name: in ancient Greek, means the "fold" of a cloth. Stolidobranchian sea squirts are also characterized by the complete absence of an abdomen. The abdominal organs of other tunicates are instead located to one side of the pharyngeal basket in this group.
Taxonomy
- Molgulidae <small>Lacaze-Duthiers 1877</small> [Hexacrobylidae <small>Seeliger 1906</small>; Caesiridae]
- Anomopera <small>Hartmeyer, 1923</small>
- Asajirus <small>Kott, 1989</small> [Hexadactylus <small>Monniot & Monniot 1990</small>]
- Bostrichobranchus <small>Traustedt, 1883</small>
- Eugyra <small>Alder & Hancock, 1870</small> [Eugyrioides <small>Seeliger 1907</small>]
- Fungulus <small>Herdman, 1882</small>
- Gamaster <small>Pizon, 1896</small>
- Minipera <small>Monniot & Monniot, 1974</small>
- Molgula <small>Forbes, 1848</small> [Anurella <small>Lacaze-Duthiers 1877</small>; Ascopera <small>Herdman 1881</small>; Astropera <small>Pizon 1898</small>; Caesira <small>Flemming 1822</small>; Ctenicella <small>Lacaze-Duthiers 1877</small>; Cystingia <small>MacLeay 1825</small>; Eugyriopsis <small>Roule 1885</small>; Euritteria <small>Huntsman 1922</small>; Gymnocystis <small>Giard 1872</small>; Lithonephria <small>Giard 1872</small>; Lithonephrya <small>Giard 1872</small>; Meristocarpus <small>Pizon 1899</small>; Molgulidium <small>Seeliger 1907</small>; Molgulina <small>Hartmeyer 1914</small>; Pera <small>Stimpson 1852</small>; Syphonotethis <small>Gervais 1840</small>; Xenomolgula <small>ÃÂrnbäck 1931</small>]
- Molguloides <small>Huntsman, 1922</small>
- Namiella <small>Monniot & Monniot, 1968</small>
- Oligotrema <small>Bourne, 1903</small> [Gasterascidia <small>Monniot & Monniot 1968</small>; Hexacrobylus <small>Sluiter 1905</small>; Sorbera <small>Monniot & Monniot 1974</small>]
- Paramolgula <small>Traustedt, 1835</small> [Stomatropa]
- Pareugyrioides <small>Hartmeyer, 1914</small>
- Protomolgula <small>Monniot, 1971</small>
- Rhizomolgula <small>Ritter, 1901</small>
- Pyuridae <small>Hartmeyer 1908</small> [Plidaeuridae]
- Bathypera <small>Michaelsen, 1904</small> [Halomolgula <small>Ritter 1907</small>]
- Bathypyura <small>Monniot & Monniot, 1973</small>
- Boltenia <small>Savigny, 1816</small>
- Bolteniopsis <small>Harant, 1927</small> [Liouvillea <small>Sluiter 1929</small>]
- Claudenus <small>Kott, 1998</small> [Ctenicella <small>Kott 1972</small>]
- Cratostigma <small>Monniot & Monniot, 1961</small>
- Ctenyura <small>Van Name, 1918</small>
- Culeolus <small>Herdman, 1881</small>
- Halocynthia <small>Verrill, 1879</small> [Cynthia <small>Savigny 1816</small>; Holocynthia <small>Verrill 1879</small>; Tethyum <small>Bohadsch 1761</small>]
- Hartmeyeria <small>Ritter, 1913</small> [Ectorchis <small>Huntsman 1922</small>]
- Hemistyela <small>Millar, 1955</small>
- Herdmania <small>Lahille, 1888</small> [Rhabdocynthia <small>Herdman 1891</small>]
- Heterostigma <small>ÃÂrnbäck-Christie-Linde, 1924</small>
- Microcosmus <small>Heller, 1877</small>
- Paraculeolus <small>Vinogradova, 1970</small>
- Pyura <small>Molina, 1782</small> [Cynthiopsis <small>Michaelsen 1904</small>; Forbesella <small>Lacaze-Duthiers & Delage 1892</small>; Forbesia <small>Lacaze-Duthiers & Delage 1892</small>; Hyalocynthia <small>Oka 1930</small>; Paracynthia <small>ÃÂrnbäck 1938</small>; Podocynthia <small>Oka 1929</small>; Pyuropsis <small>Michaelsen 1912</small>]
- Styelidae <small>Sluiter 1895</small> [Botryllidae <small>Giard 1875</small>]
- Alloeocarpa <small>Michaelsen, 1900</small>
- Arnbackia <small>Brewin, 1950</small>
- Asterocarpa <small>Brewin, 1946</small>
- Bathyoncus <small>Herdman, 1882</small>
- Bathystyeloides <small>Seeliger, 1907</small>
- Berillia <small>Brewin, 1952</small>
- Botryllocarpa <small>Hartmeyer, 1909</small> [Protobotryllus <small>Pizon 1908</small>]
- Botrylloides <small>Milne-Edwards, 1841</small> [Metrocarpa <small>ÃÂrnbäck-Christie-Linde 1923</small>; Sarcobotrylloides <small>Drasche 1883</small>]
- Botryllus <small>Gaertner, 1774</small> [Alcyonium <small>Pallas 1766</small>; Myxobotrus <small>Oka 1931</small>; Parabotryllus <small>Kott 1975</small>; Polycyclus <small>Lamarck 1815</small>]
- Chorizocarpa <small>Michaelsen, 1904</small>
- Cnemidocarpa <small>Huntsman, 1913</small> [Azygocarpa <small>Oka 1932</small>; Ypsilocarpa <small>ÃÂrnbäck 1922</small>]
- Dendrodoa <small>MacLeay, 1824</small> [Styelopsis <small>Traustedt 1883</small>]
- Dextrocarpa <small>Millar, 1955</small>
- Diandrocarpa <small>Van Name, 1902</small>
- Dicarpa <small>Millar, 1955</small>
- Distomus <small>Gaertner, 1774</small> [Psilostyela <small>Sluiter 1927</small>]
- Eusynstyela <small>Michaelsen, 1904</small> [Michaelsenia <small>Van Name 1902</small>]
- Gynandrocarpa <small>Michaelsen, 1900</small>
- Kukenthalia <small>Hartmeyer, 1903</small>
- Metandrocarpa <small>Michaelsen, 1904</small> [Okamia <small>Brewin 1948</small>]
- Monandrocarpa <small>Michaelsen, 1904</small> [Monoandrocarpa <small>Kott 1972</small>]
- Oculinaria <small>Gray, 1868</small>
- Oligocarpa <small>Hartmeyer, 1911</small>
- Pelonaia <small>Forbes & Goodsir, 1841</small>
- Podostyela <small>Harant & Vernières, 1933</small>
- Polyandrocarpa <small>Michaelsen, 1904</small>
- Polycarpa <small>Heller, 1877</small> [Glandula <small>Stimpson 1852</small>; Pandocia <small>Fleming 1822</small>; Paratona <small>Huntsman 1913</small>; Styeloides]
- Polyzoa <small>Lesson, 1831</small> [Chorizocormus <small>Herdman 1886</small>; Dictyostyela <small>Oka 1926</small>; Goodsiria <small>Cunningham 1871</small>; Monobotryllus <small>(Agassiz 1880)</small>]
- Protostyela <small>Millar, 1954</small>
- Psammobotrus <small>Oka, 1932</small>
- Psammostyela <small>Weinstein, 1961</small>
- Seriocarpa <small>Diehl, 1969</small>
- Stolonica <small>Lacaze-Duthiers & Délage, 1892</small> [Amphicarpa <small>Michaelsen 1922</small>; Thylacium <small>Alder & Hancock 1907</small>]
- Styela <small>Fleming, 1822</small> [Botryorchis <small>Huntsman 1911</small>; Clavellinopsis <small>Fewkes 1889</small>; Goniocarpa <small>Huntsman 1912</small>; Katatropa <small>Huntsman 1912</small>; Minostyela <small>Kott 1969</small>; Molstyela <small>Oka 1934</small>; Redikorzevia <small>Oka 1929</small>; Vannamea <small>Oka 1932</small>]
- Symplegma <small>Herdman, 1886</small>
- Syncarpa <small>Redikorzev, 1913</small>
- Theodorella <small>Michaelsen, 1922</small>
- Tibitin <small>Monniot, 1983</small>
References