thaumasium, Rhegma Gilbert [C. H.] in Jordan & Evermann 1900:3170 [Bulletin of the United States National Museum No. 47; ref. 2446] Panama (Pacific). Holotype (unique): CAS-SU 5978. Type catalog: Böhlke 1953:70 [ref. 12291]. Author is C. H. Gilbert. Holotype figured in Gilbert & Starks 1904, Pl. 15 (fig. 31) [ref. 1639]. •Valid as Pseudogramma thaumasium (Gilbert 1900) -- (Allen & Robertson 1994:118 [ref. 22193], Heemstra in Fischer et al. 1995:1577 [ref. 22830], Randall & Baldwin 1997:45 [ref. 22812], Grove & Lavenberg 1997:332 [ref. 24023], Thomson et al. 2000:102 [ref. 25640], Rojas M. & Pequeño 2001:161 [ref. 25813], Nelson et al. 2004:129 [ref. 27807], Love et al. 2005:112 [ref. 37547], McCosker & Rosenblatt 2010:191 [ref. 30957], Page et al. 2013:133 [ref. 32708]). •Valid as Pseudogramma thaumasia (Gilbert 1900) -- (Fourriére et al. 2016:444 [ref. 34668], Del Moral-Flores et al. 2016:608 [ref. 34923], Prokofiev 2019:427 [ref. 36810], Parenti & Randall 2020:99 [ref. 37354], Love et al. 2021:149 [ref. 39279]). Current status: Valid as Pseudogramma thaumasia (Gilbert 1900). Grammistidae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Colombia, including Gulf of California (Mexico), Cocos Island (Costa Rica), Malpelo Island (Colombia) and Galapagos Islands (Ecuador). Habitat: marine.