Geocoris lapponica Zetterstedt, 1838: 266. LT (Péricart, 1997a: 71): male, Sweden, Lappland, Lycksele; MZLU.
Geocoris albipennis (non Fabricius, 1787): Fallén, 1829: 70. Misidentification (see Fieber, 1861b: 272).
Ophthalmicus megacephlusa [sic] (non Rossi, 1790): Fieber, 1861b: 282. Misidentification (see J.A. Slater, 1964a: 557).
Geocoris turkestanicus Jakovlev, 1889a: 329 (syn. Kerzhner, 1979c: 57). STS?: male, female; ZMAS (see note).
Geocoris megalocephalus (non Rossi, 1790): Hofmänner, 1924: 64. Misidentification (see J.A. Slater, 1964a: 557).
Geocoris lapponicus var. rosea Cerutti, 1937: 169. HT (see Dethier, 1974: 670, as LT): Switzerland, Valais, Ferret, col de Fenêtre; MZLS?