Galacantha trachynotus Anderson, 1896
Galacantha trachynotus Anderson, 1896: 100 (Arabian Sea, 1669–1733 m). — Alcock & Anderson, 1896: pl. 25, figs 3, 3a (no record). — Tirmizi, 1966: 210, figs 25, 26 (N area of Arabian Sea, 1893 m). — Macpherson, 2007: 26, figs 13, 14, 55C (Madagascar, Gulf of Aden, Solomon Islands and Fiji, 1068–2000 m).
Galacantha spinosa var. trachynotus. — Alcock, 1901: 277 (Arabian Sea, 1669–1733 m).
Munidopsis trachynotus. — Baba, 1988: 171 (Teluk Tomini, Sulawesi, 1380 m). — Baba, 1994a: 19 (off Central Queensland, 1385–1403 m).. — Davie, 2002: 66 (no record). — Baba, 2005: 297 (key, synonymies).
Syntypes, ZSIC.
Arabian Sea, 1669–1733 m.
Known from the Arabian Sea (type locality) at 1669–1893 m, Teluk Tomini (Sulawesi) at 1380 m, off Central Queensland at 1385–1403 m, Madagascar, Gulf of Aden, Solomon Islands and Fiji, 1068–2000 m.