Kingdom Animalia Linnaeus, 1758 - animals
Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Crustacea Brünnich, 1772 - crustaceans
see Superclass Crustacea Pennant, 1777
Class Maxillopoda Dahl, 1956
see Subphylum Pancrustacea Zrzavý et al., 1997
Subclass Copepoda H. Milne-Edwards, 1840 - copepods
Order Siphonostomatoida Thorell, 1859
Genus Penella Burmeister, 1835
see Genus Pennella Oken, 1815