Cionidae ...

• Main Authors: Monniot, Françoise, Dettai, Agnès, Eleaume, Marc, Cruaud, Corinne, Ameziane, Nadia
• Format: Text
• Language: unknown
• Published: Zenodo 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Ascidiacea; Enterogona; Cionidae; Antarc*; Antarctic; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.6187338; https://zenodo.org/doi/10.5281/zenodo.6187338

Cionidae Ciona antarctica Hartmeyer, 1911 (Figure 10) Hartmeyer, 1911: 471 pl. 52 fig.5. Monniot & Monniot 1983: 47 fig. 9A, B; 1994:15. Station: 55. The single specimen collected 9 cm in length and 3.5 cm in width has a transparent tunic. The basal part of the tunic is thicker, somewhat cartilaginous with superficial vascular ampullae. Both siphons are terminal, close to each other (Fig. 10 A, B). The body is contracted by 6 strong longitudinal muscular ribbons on each side (Fig. 10 A, B). There are 12 long oral tentacles. The dorsal tubercle opens in a C on the right. The peripharyngeal band has 2 blades. The rapheal languets are narrow and long. The branchial sac has finger-like papillae at the crossings of the longitudinal, transverse and parastigmatic vessels (Fig. 10 D). The digestive loop is located in totality under the branchial sac. The stomach is internally thinly plicated. The anus is multilobate. The gonads are included inside the gut loop (Fig. 10 C). On each side, between the gut and the ... : Published as part of Monniot, Françoise, Dettai, Agnès, Eleaume, Marc, Cruaud, Corinne & Ameziane, Nadia, 2011, Antarctic Ascidians (Tunicata) of the French-Australian survey CEAMARC in Terre Adélie, pp. 1-54 in Zootaxa 2817 on pages 18-20, DOI: 10.5281/zenodo.277174 ...