Flabelligera bicolor

• Main Author: Salazar-Vallejo, Sergio I.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Terebellida; Flabelligeridae; Flabelligera; Flabelligera bicolor; New Zealand; Pacific; Scoresby; Sinclair; Antarc*
• Online Access: https://zenodo.org/record/5249496; https://doi.org/10.5281/zenodo.5249496

Flabelligera bicolor (Schmarda, 1861) Figure 2 Pherusa bicolor Schmarda 1861:21, Pl. 20, Fig. 169. Flabelligera bicolor: Günther 1912:15 (n. comb.); Benham 1915a:163 (syn.); Benham 1915b:173; Benham 1950:22; Hartman 1966:35, Pl. 10, Figs. 4–6 (syn.). Flabelligera affinis: Monro 1936:164 (partim, non Sars). Siphonostoma antarcticum Baird 1873:95–96. Flabelligera lingulata Ehlers 1905:47–48, Pl. 7, Figs. 1–5; Ehlers 1907:21; Ehlers 1913:535 (383 m, same?); Hartwich 1993:113. Flabelligera semiannulata Ehlers 1905:49–50, Pl. 7, Figs. 6–10; Hartwich 1993:136. Type material. Southwestern Pacific Ocean. Four syntypes of Flabelligera lingulata (three BMNH- 1908.5.9.33; one ZMB- 6773) damaged, Auckland, New Zealand (no further data), W.B. Benham, coll. Additional syntypes of Flabelligera lingulata (BMNH- 1907.5.1.21), damaged, same data (2 anterior and 3 median fragments, in poor shape; largest measured). Three syntypes of Siphonostoma antarcticum (BMNH- 57.1.17.3), off Auckland (?), New Zealand (no further data), A. Sinclair, coll. (body dark or blackish, with a very thick whitish tunic). Additional material. Southwestern Atlantic Ocean. One specimen (BMNH- 1936.2.8:2464), off West side of Falkland Islands, R/ V William Scoresby, Stat. 221 (48°23' S, 65°10' W), 76–91 m, 4 June 1928. Description. Better syntype (F. lingulata BMNH-1908) complete (Fig. 2A); body cylindrical, tapering posteriorly; pale brown in the anterior and posterior ends, paler by the mid-body; 41 mm long, 7 mm wide, cephalic cage 5 mm long, 46 chaetigers. Tunic thick, densely papillated, mostly free from sediment particles; papillae long, clavate, mucronate. Cephalic hood exposed. Prostomium not observed; smaller syntype (BMNH-1908) with anterior end exposed (Fig. 2C). Caruncle well developed, extended to the margin of the branchial plate (not beyond it in the better syntype), broken. Palps large, thick, distally rounded; palp bases rounded, elevated. Lateral lips well developed. Ventral lip reduced to thin membrane. Dorsal lip well developed, thick. ...