| Classe | Ordre | Famille |
| INSECTA | Heteroptera Latreille, 1810 | Acanthosomatidae Signoret, 1864 |
| | | Aepophilidae Puton, 1879 |
| | | Alydidae Amyot & Audinet-Serville, 1843 |
| | | Anthocoridae Fieber, 1836 |
| | | Aphelocheiridae Fieber, 1851 |
| | | Aradidae Spinola, 1837 |
| | | Artheneidae Stål, 1872 |
| | | Belostomatidae Leach, 1815 |
| | | Berytidae Fieber, 1851 |
| | | Blissidae Stål, 1862 |
| | | Canopidae McAtee & Malloch, 1928 |
| | | Ceratocombidae Fieber, 1861 |
| | | Cimicidae Latreille, 1802 |
| | | Cimicomorpha |
| | | Coreidae Leach, 1815 |
| | | Corixidae Leach, 1815 |
| | | Cydnidae Billberg, 1820 |
| | | Cymidae Baerensprung, 1860 |
| | | Dinidoridae Stål, 1870 |
| | | Dipsocoridae Dohrn, 1859 |
| | | Gelastocoridae Kirkaldy, 1897 |
| | | Geocoridae Baerensprung, 1860 |
| | | Gerridae Leach, 1815 |
| | | Hebridae Amyot & Serville, 1843 |
| | | Helotrephidae Esaki & China, 1927 |
| | | Heterogastridae Stål, 1872 |
| | | Hydrometridae Billberg, 1820 |
| | | Largidae Amyot & Serville, 1843 |
| | | Leptopodidae Brullé, 1836 |
| | | Lyctocoridae Reuter, 1884 |
| | | Lygaeidae Schilling, 1829 |
| | | Lygaeoidea |
| | | Mesoveliidae Douglas & Scott, 1867 |
| | | Microphysidae Dohrn, 1859 |
| | | Miridae Hahn, 1833 |
| | | Nabidae Costa, 1853 |
| | | Naucoridae Leach, 1815 |
| | | Nepidae Latreille, 1802 |
| | | Notonectidae Latreille, 1802 |
| | | Ochteridae Kirkaldy, 1906 |
| | | Oxycarenidae Stål, 1862 |
| | | Pachygronthidae Stål, 1865 |
| | | Pentatomidae Leach, 1815 |
| | | Pentatomoidea |
| | | Pentatomomorpha |
| | | Piesmatidae Amyot & Serville, 1843 |
| | | Plataspidae Dallas, 1851 |
| | | Pleidae Fieber, 1851 |
| | | Pyrrhocoridae Fieber, 1860 |
| | | Reduviidae Latreille, 1807 |
| | | Rhopalidae Amyot & Audinet-Serville, 1843 |
| | | Rhyparochromidae Amyot & Audinet-Serville, 1843 |
| | | Saldidae Amyot & Serville, 1843 |
| | | Scutelleridae Leach, 1815 |
| | | Stenocephalidae Dallas, 1852 |
| | | Tessaratomidae Stål, 1864 |
| | | Thaumastocoridae Kirkaldy, 1908 |
| | | Thyreocoridae Amyot & Serville, 1843 |
| | | Tingidae Laporte de Castelnau, 1833 |
| | | Veliidae Brullé, 1836 |
