[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Family Velutinidae Gray, 1840
         1 Genus Velutina Fleming, 1820
         2 Genus Onchidiopsis Bergh, 1853
         3 Genus Piliscus Lovén, 1859
         4 Genus Pseudotorellia Waren, 1989