Cyrtomaia horrida Rathbun, 1916
Cyrtomaia horrida Rathbun, 1916: 527 (list), 523–533 (type locality: the Philippines, between Negros and Siquijor, 9°08′15″ N, 123°23′20″ E).
Cyrtomaia horrida – Serène & Lohavanijaya 1973: 46 (key). — Sakai 1976: 178 (key), 180–181, pl. 60. — Griffin 1976: 188, 218 (list), fig. 3. — Guinot & Richer de Forges 1986: 86 (list), 119–120, pl. 6 fig. A–C. — Griffin & Tranter 1986a: 24 (key), 25–26. — Ikeda 1998: 33, pl. 32. — Richer de Forges & Ng 2007: 56 (list), 57, 59–60, figs 1C, 2; 2008: 19–20. — Ng et al. 2008: 111 (list). — Richer de Forges et al. 2009: 1207 (key).
(For complete synonymy, see Guinot & Richer de Forges 1986: 119.)
Material examined
SOUTH CHINA SEA: 1 badly damaged specimen (45.6 × 48.4 mm) (ZRC 2016.0084), north of Zhongsha, stn CP4147, 16°09.83′ N, 114°15.25′ E to 16°08.15′ N, 114°17.97′ E, 343– 249 m, coll. ZHONGSHA 2015 Expedition, 26 Jul. 2015.
Remarks
The Cyrtomaia species from the Philippines have been treated by Richer de Forges & Ng (2007), with the more common species being C. horrida Rathbun, 1916 and C. echinata Rathbun, 1916 .
Distribution
Cyrtomaia horrida is known from Solomon Islands (Richer de Forges & Ng 2008), Indonesia, South China Sea (Griffin & Tranter 1986), the Philippines (Richer de Forges & Ng 2007) and Japan (Sakai 1976).