fossil marine animal genera Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960 Class †incertae sedis Order †Skaracarida K.J. Müller & D. Walossek, 1985 see Subclass Skaracarida (K.J. Müller & Walossek, 1985)