| Geocoris lividipennis Stål, 1862 |
| Geocoris nuevoleonensis Brailovsky, 2016 |
| Geocoris pallens Stål, 1854 |
| Geocoris punctipes (Say, 1831) |
| Geocoris scudderi Stål, 1874 |
| Geocoris signoretae Brailovsky, 2016 |
| Geocoris sonoraensis Van Duzee, 1923 |
| Geocoris thoracicus (Fieber, 1861) |
| Geocoris thoracicus subsp. wickhami Montandon, 1909 |
| Gonatoides Slater, 1957 |
| Gonatoides typicus Distant, 1882 |
| Gonianotini Stål, 1872 |
| Hadrosomus Slater, 1992 |
| Hadrosomus confraternus (Uhler, 1869) |
| Hadrosomus teapensis (Distant, 1893) |
| Heraeus Stål, 1862 |
| Heraeus coquilletti Barber, 1914 |
| Heraeus eximius Distant, 1882 |
| Heraeus illitus Distant, 1882 |
| Heraeus plebejus Stål, 1874 |