Nuculoida
Afghanodesma Termier & Termier, 1971
Cardiolaria Munier-Chalmas, 1876
Concavodonta Babin & Melou, 1973
Deceptrix Fuchs, 1919
Eritropis Pojeta & Gilbert-Tomlinson, 1977
Fidera Pojeta & Gilbert-Tomlinson, 1977
Habonucula Singh & Kanjilal, 1977
Honeymania McLearn, 1918
Ledopsis Beushausen, 1884
Nuculodonta Liljedahl, 1983
Palaeoconcha Miller, 1889
Palaeoconchiella
Praeleda Pfab, 1934
Praenucula Pfab, 1934
Pseudoledopsis Maillieux, 1937
Similodonta Soot-Ryen, 1965
Smilodonta
Tironucula Morris & Fortey, 1976