Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Solenogastres Gegenbaur, 1878
     Order Neomeniamorpha Salvini-Plawen, 1978
       1 Family Neomeniidae Ihering, 1876
       2 Family Hemimeniidae Salvini-Plawen, 1978
       3 Genus Pholidoherpia Salvini-Plawen, 1978, incertae sedis
       4 Genus Notomenia Thiele, 1897, incertae sedis