Tetraonchidae Bychowsky, 1957
Tetraonchus alaskensis Price, 1937
Tetraonchus borealis (Olsson, 1893)
Tetraonchus grumosus Pugachev, 1984
Tetraonchus gussevi Kakacheva et al., 1986
Tetraonchus monenteron Diesing, 1858