Rhyparochromus marginicollis Lucas, 1849: 75. LT (Péricart, 1996c: 106): female, Algeria, nr Alger; MNHN.
Scolopostethus longicollis Fieber, 1861a: 189 (syn. Péricart, 1994c: 412). ST(S): Italy, Sicily; lost?
Pachymerus taurus A. Costa, 1862: 19 (syn. Puton, 1884a: 149, with longicollis). ST(S): Italy, Campania, Samnium; lost.
Thaumastopus flavipes Fieber, 1870: 247 (syn. Puton, 1875a: 46). ST(S): male, Russia (ST), Sarepta [= Krasnoarmeysk nr Volgograd]; lost?
Thaumastopus flavipes var. pallescens Jakovlev, 1874b: 66. LT (Péricart, 1994c: 412): male, Russia (ST), Sarepta [= Krasnoarmeysk nr Volgograd]; ZMAS.
Notochilus (Thaumastopus) noviburgensis D'Antessanty, 1888: 383 (syn. Scudder, 1967b: 152, with longicollis). LT (Scudder, 1967b: 152): female, France, Dept Loire-Atlantique, Bourgneuf; MNHN.