Opisthosyllis viridis Langerhans, 1879

Opisthosyllis viridis Langerhans, 1879: 543, pl. 31, fig. 9.— Monro 1939: 390, text–fig. 301.— Imajima 1966a: 224, fig. 39.— Núñez et al. 1992: 115.— López & San Martín 1994: 130, fig. 1.— Lee & Rho 1994: 135, fig. 3.— Paresque et al. 2016: 40, figs. 22-24.

Opisthosyllis australis Augener, 1913 (in part): 218, pl. 3, fig. 35, text-fig. 28 a–d.— Day & Hutchings 1979: 102.—Hartmann- Schröder 1979: 85; 1980: 47; 1981: 24; 1991: 26.

Opisthosyllis papillosa Hartmann-Schröder, 1960: 87, figs. 59–62; 1965: 108, figs. 33–35; 1980: 48; 1981: 24. 1991: 26.— San Martín et al. (2008): 35, figs. 26E, F, 27A–G, 28A–F, 29A, B.

Material examined. Socotra, North coast, Bindar Fikhah (Bandar Faka), between the 2 sand dunes, 24.02.1999, 2 specimens (SMF 24981) ; Socotra, N coast, 12º38.938N 53º58.840E, lower eulittoral, among algae, 26.02.1999, 1 specimen (NHCY 004) .

Habitat. Among dead corals, seagrasses, algae, rubble and sediment; intertidal and shallow waters (San Martín et al. 2008). In Socotra, amongst algae, lower eulittoral.

Distribution. Circumtropical, Australia (Western Australia, New South Wales, Queensland) (San Martín et al. 2008).

Trypanosyllis Claparède, 1864

Trypanosyllis Claparède, 1864: 558 .

Parautolytus Pillai, 1965: 123 .

Type species: Trypanosyllis krohnii Claparède, 1864 .