Opisthodonta morena Langerhans, 1879

Opisthodonta morena Langerhans, 1879: 547, pl. 32, fig. 12a–b.—Pérès, 1954: 107, figs 3–6.— Laubier, 1966: 249.— Storch, 1966: 173–174, fig. 2.—Hartmann-Schröer, 1971: 100–104, figs 1–3a–e.— Campoy, 1982: 307.— San Martín, 2003: 54– 57, figs 15–16.— San Martín & Hutchings, 2006: 306–308, figs 40a–f, 41a–f, 42a–b.— Fukuda et al., 2015: 526–530, figs 11a–g, 12a–d, 13a–d.

Material examined. EAST TIMOR. East of Atauro Island, 08°13’48”S 125°36’56”E, outer reef, coral reef slope, dead coral, 16 m depth, 20 Sep 2012, coll. A. Murray & P.A. Hutchings, 1 spec. (AM W.3028) .

Habitat. Occurring interstitially in coarse and coral sand, mud, as well as among seagrasses, from intertidal to depths greater than 240 m depth (San Martín & Hutchings 2006), and among dead corals.

Distribution. Mediterranean Sea, Red Sea, Madeira Island (San Martín 2003), Australia (Western Australia, New South Wales; San Martín & Hutchings 2006), Brazil (Rio de Janeiro, São Paulo; Fukuda et al. 2015). First record for East Timor.