Class Maxillopoda Dahl, 1956
see Subphylum Pancrustacea Zrzavý et al., 1997
Subclass †Halicyna Gall & Grauvogel, 1967
see Subclass Branchiura Thorell, 1864
Order †Cycloidea Schram, Vonk & Hof, 1997 - cycloids
see Order Cyclida Schram, Vonk & Hof, 1997, nom. corr.
Family †Cyclidae Packard, 1885
Genus †Halicyne von Meyer, 1844
†Halicyne max Schram, Vonk & Hof, 1997
see Schramine max (Schram, Vonk & Hof, 1997)