Arthropoda
Achlysopsis
Agraulos Hawle & Corda, 1847
Antagmus Resser, 1936
Asthenopsis Whitehouse, 1939
Austinvillia Resser, 1938
Blairella Rasetti, 1965
Bolaspidina Lermontova, 1960
Braintreella Wheeler, 1942
Brunswickia Howell, 1937
Champlainia Howell, 1937
Conocoryphe Hawle & Corda, 1847
Conokephalina Brögger, 1886
Crassifimbra
Drabia Wilson, 1951
Elleipsocephalus Zenker, 1833
Ellipsocephalus Agassiz, 1843
Eokochaspis Sundberg & McCollum, 2000
Eoptychoparia Rasetti, 1955
Euloma Angelin, 1854
Gaphuraspis Ivshin, 1957
Gunnia Gatehouse, 1968
Holasaphus Matthew, 1895
Nelsonia Palmer & Gatehouse, 1972
Neoblairella
Nyella Palmer & Halley, 1979
Olenus Dalman, 1826
Onchocephalites Rasetti, 1957
Onchocephalus Resser, 1937
Perimetopus Resser, 1937
Periomma Resser, 1937
Piaziella Lochman, 1947
Pichyklen Rusconi, 1956
Plagiura Resser, 1935
Poulsenia Resser, 1936
Proliostracus Poulsen, 1933
Ptychoparella Poulsen, 1927
Ptychoparia Hawle & Corda, 1847
Querandinia Rusconi, 1954
Sao Billberg, 1820
Sombrerella Lochman, 1948
Spencella Rasetti, 1963
Syspacephalus Resser, 1936
Tongshania Qiu & Lin, 1983
Volocephalina Palmer & Halley, 1979
