Quadrella coronata Dana, 1852

(Fig. 7A)

Quadrella coronata Dana, 1852: 84 .— Serène 1984: 289, fig. 195; pl. 41F. — Galil 1986c: 282, figs. 3E, 4C–E; 1987: 177, fig. 9.— Castro 1997a: 63, pl. 7A; 1999a: 95; 1999b: 37; 2002: 361; 2009: 272, fig. 1A.— Castro et al. 2004: 56, pl. 4A.— Ng et al. 2008: 185.— Lin & Ng 2017: 572 (Taiwan Island).

Quadrella coronata var. granulosa Borradaile, 1902: 266 .

Material examined. Western Pacific: 139°18.7’E 11°19.3’N, 36 m, coll. Kuidong Xu 24 June 2016, 1 male (8.37 × 8.05 mm), 1 female (15.68 × 14.07 mm), YM191; 1 pre-adult (4.44 × 4.30 mm), YM188 .

Geographical distribution. Indian Ocean, western Pacific Ocean (Castro et al. 2004).

Remarks. The live color photograph of Quadrella coronata was unavailable, and the picture shown herein is a specimen fixed in 70% ethanol.