Trigonosoma fischeri Herrich-Schaeffer, 1851: 331. HT: male, Egypt; lost.
Trigonosoma baerensprungii Stål, 1860d: 277 (syn. Stål, 1865c: 84). STS: female, Egypt; NHRS.
Trigonosoma lehmanni Fieber, 1864c: 334 (syn. Reuter, 1881a: 164). ST(S): female (see Horváth, 1889d: 41), UZ?, Turkomanien; NHMW.
Trigonosoma umbrosum Jakovlev, 1882d: 145 (syn. Horváth, 1889d: 40). LT (Derzhansky et al., 2002: 371): male, Azerbaijan, Apsheron Peninsula; ZMAS.
Trigonosoma confusum W.F. Kirby, 1891: 77 (syn. Horváth, 1896b: 231). HT: female, probably Egypt; BMNH.