Leiogalathea laevirostris (Balss, 1913)
Galathea laevirostris Balss, 1913a: 221 (Sombrero Channel, 805 m). — Doflein & Balss, 1913: 140, fig. 7, pl. 12, fig. 1 (W entrance of Sombrero Channel, Nicobar Islands, 805 m). — Laurie, 1926: 135 (Amirante, 502 m).
Galathea imperialis Miyake & Baba, 1967b: 213, figs 1, 2 (type locality: WSW of Jogashima, Sagami Bay, 160–230 m [holotype, ovigerous female, BLIH 205a]).
Leiogalathea imperialis. — Baba, 1969b: 3 (Sagami Bay, 160–230 m).
Liogalathea [lapsus] laevirostris. — Baba, 1990: 961 (Madagascar, 675–705 m).
Leiogalathea laevirostris. — Baba, 1991b: 487 (New Caledonia, Hunter and Matthew Islands, Tuamotu Archipelago, 398–700 m). — Poupin, 1996b: 20, 21 (fig. h) (Tuamotu Archipelago, 398 m). — Baba, 2005: 88, 246 (list, Kei Islands, 245–385 m). — Ahyong, 2007: 14, fig. 8 (Lord Howe Rise, 540–812 m).
Syntypes: 1 male, 1 female, ZMB 17488.
Sombrero Channel, Nicobar Islands, 805 m.
Carapace lateral margin with few spines.
Males to 5.6 mm, females to 4.1 mm.
Madagascar and the western Indian Ocean to Indonesia, and New Caledonia to Japan and French Polynesia; now from New South Wales and Norfolk Island, Australia; 160–812 m.
Corals and sponges, sand, and mud (Baba, 2005).