Arthropoda
Bolaspidella Resser, 1937
Coenaspis Resser, 1938
Deiracephalus Resser, 1935
Densonella Shaw, 1952
Dresbachia Walcott, 1916
Hysteropleura Raymond, 1937
Menomonia Walcott, 1916
Millardia Walcott, 1916