Leucosia rubripalma Galil, 2003

Leucosia rubripalma Galil, 2003 View in CoL

( Fig. 1 View Fig )

Leucosia perlata De Haan, 1841 View in CoL : Minemizu, 2000, p. 197, 1 fig.

Leucosia anatum (Herbst, 1783) View in CoL : Ng et al., 2001, p. 8, fig. 1h.

Leucosia rubripalma Galil, 2003 View in CoL , pp. 183 (in key), 188, figs. 1D, 2G–H. — Galil & Ng, 2007, p. 85, fig. 2E; 2015, p. 476, fig. 5E. — Ng et al., 2008, p. 95 (in list). — Maenosono, 2021b, p. 34, fig. 9A–B. — Poore & Ahyong, 2023, fig. 48m.

Material examined. ɹOse-zaki, Suguga Bay,

9.5 m depth, 1 8 (cb 21.6 mm, cl 22.7 mm),

NSMT-Cr 32421, 2-IX-2023, coll. H. Takakura.

Remarks.ɹGalil (2003) strictly restricted the lobate corner ( Fig. 1A, C View Fig ), the granulated floor of the thoracic sinus ( Fig. 1B View Fig ), the thoracic sinus beaded with granules and anteriorly defined by rectangular margin of the pterygostomian region ( Fig. 1B View Fig ), and the dorsally carinate ambulatory carpi ( Fig. 1A View Fig ) clearly show that the present specimen belongs to L. rubripalma .

The dorsal and lateral views of a female from Okinawa-jima Island, Ryukyus, were given by Maenosono (2021b) who mentioned that Leucosia perlata De Haan, 1841 reported from Ose-zaki, Suruga Bay, by Minemizu (2000) should be really referred to L. rubripalma .

Distribution. Noumea and St. Vincent Bay, New Caledonia ( 12–30 m); Amboina, Indonesia; Papua New Guinea ( 3–17 m); Singapore; Bohol, Philippines ( 0–2 m); Okinawa-jima Island, Ryukyu Islands, and Suruga Bay, Japan ( 2–10 m).