[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 Tergipedidae Bergh, 1889
         1 Genus Tergipes Cuvier, 1805
         2 Genus Catriona Winkworth, 1941
         3 Genus Cuthona Alder & Hancock, 1855
         4 Genus Embletonia Alder & Hancock, 1851
         5 Genus Tenellia Costa, 1866