Hymedesmiidae Topsent, 1928
Plocamionida ambigua (Bowerbank, 1866)
Plocamionida gaussiana (Hentschel, 1914)
Plocamionida lyoni (Bakus, 1966)
Plocamionida microcionides (Carter, 1876)
Plocamionida topsenti Burton, 1954
Plocamionida tylotata Brøndsted, 1932
